Putting the award page together from the records…
Putting the award page together from the records…
IGF::CL,CT::IGF CONTRACT AWARD DE-NA0003624 TO THE MISSION SUPPORT AND TEST SERVICES LLC (MSTS) FOR THE MANAGEMENT AND OPERATION OF THE DEPARTMENT OF ENERGY NATIONAL NUCLEAR SECURITY ADMINISTRATION'S NEVADA NATIONAL SECURITY SITE.
Up for re-bid: ends 2027-11-30. Recompete brief →
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
110 subawards totaling $239.73M (6.1% of what was obligated), as Mission Support & Test Services LLC reported them. Primes report subawards of $30,000 or more; smaller ones and unreported ones aren't here.
| Subcontractor | Amount | Subawards | Where | First | Last |
|---|---|---|---|---|---|
| Perk Co Inc | $55.13M | 1 | OH | 2026-08-25 | 2026-08-25 |
| B6 Manufacturing LLC | $45.32M | 1 | IN | 2026-07-08 | 2026-07-08 |
| Frontier-Kemper Constructors, Inc. | $22.36M | 1 | CA | 2025-11-13 | 2025-11-13 |
| Ace Engineering Inc | $15.90M | 2 | CA | 2026-08-05 | 2026-08-31 |
| Spectra Tech, Inc. | $11.49M | 4 | TN | 2025-01-22 | 2026-06-01 |
| Guardian Construction, Inc. | $10.43M | 1 | UT | 2026-06-22 | 2026-06-22 |
| Holiday Motor Coach, LLC | $7.50M | 1 | ID | 2026-06-30 | 2026-06-30 |
| Keystone International Inc | $6.70M | 1 | NM | 2026-07-22 | 2026-07-22 |
| Leverage Information Systems, Inc | $4.18M | 1 | RI | 2026-08-04 | 2026-08-04 |
| Indian Eyes, LLC | $3.78M | 2 | WA | 2026-01-22 | 2026-07-01 |
| V3Gate, LLC | $3.30M | 2 | CO | 2026-01-30 | 2026-08-18 |
| Longenecker & Associates, LLC | $3.08M | 1 | NM | 2026-06-22 | 2026-06-22 |
| Government Scientific Source Inc | $2.96M | 3 | VA | 2025-05-06 | 2026-08-10 |
| JGMS Government Services LLC | $2.91M | 1 | CO | 2026-08-19 | 2026-08-19 |
| Enercon Federal Services Inc | $2.63M | 1 | GA | 2025-07-31 | 2025-07-31 |
| Telecom International LLC | $2.62M | 1 | VA | 2025-07-28 | 2025-07-28 |
| Tri-City Industrial, LLC | $2.50M | 1 | WA | 2025-05-06 | 2025-05-06 |
| Secunetics Inc | $2.48M | 1 | VA | 2026-03-16 | 2026-03-16 |
| Burns & Mcdonnell Engineering Company, Inc. | $2.23M | 2 | MO | 2026-01-21 | 2026-07-01 |
| Canyon Electric Company, Inc. | $1.90M | 4 | NV | 2025-08-12 | 2026-05-07 |
| Garco Construction, Inc. | $1.70M | 1 | WA | 2026-05-18 | 2026-05-18 |
| Opex Group LLC | $1.42M | 1 | VA | 2026-07-20 | 2026-07-20 |
| The Siegel Group, LLC | $1.25M | 1 | NV | 2026-08-06 | 2026-08-06 |
| Navarro Research and Engineering, Inc. | $1.11M | 1 | TN | 2025-09-15 | 2025-09-15 |
| Leading Factors, LLC | $1.10M | 1 | IL | 2026-07-09 | 2026-07-09 |
The 25 largest of 93; the rest are on USAspending.gov.
| Date | To | Amount | For |
|---|---|---|---|
| 2026-08-25 | Perk Co Inc | $55.13M | AUG 2026 $29,715,623.31 MAY 2026 $25,410,045.21 PROTOSTAR CONSTRUCTION AGREEMENT |
| 2026-07-08 | B6 Manufacturing LLC | $45.32M | JUL 2026 $32,445,920 JUN 2025 $12,875,260 TUNGSTEN HEAVY ALLOY SLABS |
| 2025-11-13 | Frontier-Kemper Constructors, Inc. | $22.36M | NOV 2025 $2,541,759.19 MAY 2025 $19,821,567.36 ON-SITE BOREHOLE DRILLING SERVICES |
| 2026-08-31 | Ace Engineering Inc | $13.67M | AUG 2026 $12,871,000 JUN 2025 $795,000 REMOVE EXISTING ASPHALT & CONCRETE CURBING AND REPLACE WITH STAMPED CONCRETE WALKWAY PER SPEC |
| 2026-06-22 | Guardian Construction, Inc. | $10.43M | WATER TANK REFURBISHMENTS |
| 2026-06-30 | Holiday Motor Coach, LLC | $7.50M | JUN 2026 $3,809,039.65 JUL 2025 $3,686,704.03 COMMUTER AND CHARTER BUS SERVICES |
| 2025-01-22 | Spectra Tech, Inc. | $7.00M | SCMC WRAP AGREEMENT WS190222 |
| 2026-07-22 | Keystone International Inc | $6.70M | JUL 2026 $319,966.90 JUN 2026 $1,529,610.40 MAY 2026 $333,506.26 APR 2026 $1,681,722.52 MAR 2026 $52,797.30 JAN 2026 $54,896.89 NOV 2025 $215,872.10 SEPT 2025 $2,246,730.61 AUG 2025 - $117,179.35 JUN 2025 - $134,961.31… |
| 2026-08-04 | Leverage Information Systems, Inc | $4.18M | AUG 2026 $78,804.60 JUN 2026 $141,125.6 APR 2026 $152,489.68 JAN 2026 $1,366,900.25 OCT 2025 $1,227,926.80 SEPT 2025 $231,052.47 AUG 2025 $259,360.80 CISCO PRODUCTS JUN 2025 - $725,546.74 SMARTNET CISCO SERVICE RENEWAL |
| 2026-06-22 | Longenecker & Associates, LLC | $3.08M | JUN 2026 $139,493.5 APR 2025 $2,943,054 INFRASTRUCTURE ENGINEERING SUPPORT |
| 2026-08-19 | JGMS Government Services LLC | $2.91M | AUG 2026 $298,555 MAY 2026 $350,125.80 MAR 2026 $298,632.68 FEB 2026 $ 455,744.79 JAN 2026 $$492,569.35 OCT 2025 $370,552.10 SEPT 2025 $359,965.24 JUL 2025 $283,943.22 INFRASTRUCTURE ENGINEERING SUPPORT SERVICES |
| 2026-08-18 | V3Gate, LLC | $2.88M | AUG 2026 $457,491.16 JUL 2026 $878,022.95 MAY 2026 $1,487,640.60 APR 2026 $54,960.61 IT PERIPHERALS AND ACCESSORIES |
| 2025-07-31 | Enercon Federal Services Inc | $2.63M | ENGINEERING SERVICES |
| 2025-07-28 | Telecom International LLC | $2.62M | SATELLITE SERVICES |
| 2026-07-01 | Indian Eyes, LLC | $2.50M | JUL 2026 $119,986.07 MAY 2025 $2,500,000 AUTOMOTIVE PARTS AND SUPPLIES |
| 2025-05-06 | Tri-City Industrial, LLC | $2.50M | AUTOMOTIVE PARTS AND SUPPLIES |
| 2025-05-06 | Government Scientific Source Inc | $2.50M | AUTOMOTIVE PARTS AND SUPPLIES |
| 2026-03-16 | Secunetics Inc | $2.48M | MAR 2026 $1,325,025 FEB 2026 $389,000 SEP 2025 $763,520.21 SECURITY OF POWER GRID |
| 2026-08-05 | Ace Engineering Inc | $2.24M | AUG 2026 - $1,249,342.21 JUL 2026 - $987,529.60 ASPHALT ROAD REPAIRS |
| 2026-01-21 | Burns & Mcdonnell Engineering Company, Inc. | $1.77M | ARCHITECTURAL AND ENGINEERING SERVICES |
| 2026-05-18 | Garco Construction, Inc. | $1.70M | BUILDING PROGRAM TILT-UP CONSTRUCTION AGREEMENT |
| 2026-03-11 | Spectra Tech, Inc. | $1.59M | MAR 2026 $600,000 NOV 2025 $6,940 SEPT 2025 $268,854 AUG 2025 - $505,580.80 INFRASTRUCTURE STAFF AUG SUPPORT MAY 2025 - $206,630.40 STAFF AUG LABOR AND TRAVEL PUR-0006230 AND PUR-0006467 |
| 2026-06-01 | Spectra Tech, Inc. | $1.49M | JUN 2026 $714,604.5 MAY 2026 $780,291.39 NUCLEAR SAFETY BASIS SERVICES |
| 2026-07-20 | Opex Group LLC | $1.42M | JUL 2026 $210,301.26 APR 2026 $359,571.55 JAN 2026 $222,072.97 DEC 2025 $140,078.80 NOV 2025 $100,921.30 OCT 2025 $113.068.10 AUG 2025 - $154,411.40 JUL 2025 - $121,865.10 RECORD MANAGEMENT PROGRAM REVIEW ASSESSMENT… |
| 2026-06-01 | Spectra Tech, Inc. | $1.40M | JUN 2026 $268,292 FEB 2026 $475,622.16 JAN 2026 $476,013.25 AUG 2025 $94,012.55 MAY 2025 $89,765.60 STAFF AUG LABOR AND TRAVEL PUR-0004969 |
165 actions since 2022-10-04. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-09-30 | 317 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-09-29 | 318 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-09-29 | 316 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-09-28 | 320 | Funding only | $1.62M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-09-28 | 319 | Funding only | $2.25M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-09-01 | 315 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-08-31 | 314 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-08-26 | 313 | Funding only | $1.34M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-08-26 | 312 | Funding only | $42.65M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-08-19 | 309 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-07-28 | 311 | Funding only | $25.27M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-07-28 | 310 | Funding only | $13.81M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-06-29 | 308 | Funding only | $2.02M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-06-29 | 307 | Funding only | $24.36M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-06-09 | 303 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-05-28 | 306 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-05-27 | 305 | Funding only | $8.55M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-05-27 | 304 | Funding only | $9.56M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-04-27 | 302 | Funding only | $429.6K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-04-27 | 301 | Funding only | $62.07M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-04-21 | 300 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-03-31 | 299 | Funding only | $630.0K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-03-31 | 298 | Funding only | $7.45M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-03-31 | 295 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-03-10 | 265 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-02-25 | 297 | Funding only | $3.36M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-02-25 | 296 | Funding only | $417.04M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-02-19 | 294 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-02-02 | 284 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-01-28 | 293 | Funding only | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-01-28 | 292 | Funding only | $10.77M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-01-05 | 288 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2026-01-05 | 286 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-12-30 | 291 | Funding only | $64.4K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-12-29 | 290 | Funding only | $6.67M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-12-18 | 289 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-12-18 | 273 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-11-25 | 287 | Funding only | $266.95M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-11-21 | 285 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-11-18 | 281 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-10-30 | 283 | Funding only | $11.56M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-10-17 | 282 | Funding only | $82.13M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-10-01 | 280 | Administrative change | -$194.2K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-09-30 | 279 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-09-30 | 276 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-09-29 | 278 | Funding only | $7.70M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-09-26 | 277 | Funding only | $53.37M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-09-19 | 270 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-09-19 | 269 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-08-27 | 275 | Funding only | $21.18M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-08-27 | 274 | Funding only | $18.67M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-07-30 | 272 | Funding only | $747.1K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-07-30 | 271 | Funding only | $23.36M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-07-15 | 266 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-06-26 | 268 | Funding only | $3.70M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-06-26 | 267 | Funding only | $36.06M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-06-13 | 264 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-06-08 | 260 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-05-28 | 262 | Funding only | $2.04M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-05-28 | 261 | Funding only | $254.69M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-05-08 | 259 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-05-01 | 252 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-04-28 | 258 | Funding only | $3.82M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-04-28 | 257 | Funding only | $138.71M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-04-24 | 255 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-04-21 | 256 | Administrative change | -$663.0K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-04-11 | 251 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-03-27 | 254 | Funding only | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-03-27 | 253 | Funding only | $370.6K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-03-13 | 250 | Funding only | $3.36M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-03-13 | 249 | Funding only | $21.19M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-02-27 | 248 | Funding only | $1.71M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-02-26 | 247 | Funding only | $21.94M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-02-12 | 246 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-02-12 | 243 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-02-07 | 240 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-01-30 | 245 | Funding only | $1.12M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2025-01-30 | 244 | Funding only | $190.48M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-12-18 | 242 | Funding only | $359.7K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-12-18 | 241 | Funding only | $10.79M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-11-26 | 239 | Funding only | -$6.5K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-11-26 | 238 | Funding only | $5.85M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-11-22 | 231 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-10-30 | 236 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-10-29 | 237 | Funding only | $174.00M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-10-03 | 235 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-09-30 | 234 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-09-26 | 233 | Funding only | $3.79M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-09-26 | 232 | Funding only | $2.19M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-08-29 | 230 | Funding only | -$4.57M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-08-29 | 229 | Funding only | $9.91M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS) |
| 2024-08-29 | 228 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-08-22 | 227 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-07-30 | 226 | Funding only | $27.31M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-07-30 | 225 | Funding only | $30.21M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-07-24 | 224 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-06-27 | 223 | Funding only | $3.71M | REIMBURSABLE FUNDING FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-06-26 | 222 | Funding only | $17.44M | INCREMENTAL FUNDING FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-06-06 | 218 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-06-03 | 219 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-05-30 | 221 | Funding only | $4.10M | INCREMENTAL FUNDING FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-05-30 | 220 | Funding only | $23.39M | INCREMENTAL FUNDING FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-05-29 | 217 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES, LLC'S FOLLOW-ON CONTRACT NO. DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-05-14 | 216 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-04-29 | 215 | Funding only | $2.43M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-04-29 | 214 | Funding only | $532.85M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-03-28 | 213 | Funding only | $2.58M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-03-28 | 212 | Funding only | $69.19M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-02-28 | 211 | Funding only | $5.71M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-02-28 | 210 | Funding only | $108.10M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-01-29 | 209 | Funding only | $2.84M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-01-29 | 208 | Funding only | $250.0K | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-01-18 | 207 | Funding only | $1.16M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2024-01-17 | 206 | Funding only | $10.81M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-12-27 | 205 | Funding only | $808.7K | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-12-27 | 204 | Funding only | $127.73M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-12-20 | 203 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO UPDATE APPENDIX F LIST OF APPLICABLE LAWS, REGULATIONS, AND DOE DIRECTIVES AS SET FORTH IN ATTACHMENT 1, ATTACHED HERETO. |
| 2023-12-08 | 200 | Administrative change | $0 | VARIOUS UPDATES/MODIFICATIONS TO SECTION B AND J. |
| 2023-12-08 | 170 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-12-08 | 132 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-12-08 | 119 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-12-07 | 198 | Administrative change | $0 | MODIFICATION FOR MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-11-21 | 181 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-11-16 | 202 | Funding only | $710.0K | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-11-15 | 201 | Funding only | $25.46M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-10-27 | 199 | Funding only | $105.28M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-10-26 | 195 | Change order | $0 | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-09-27 | 197 | Funding only | $17.25M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-09-27 | 196 | Funding only | $23.47M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-09-11 | 194 | Change order | $0 | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-08-29 | 193 | Administrative change | $0 | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-08-28 | 192 | Funding only | $10.16M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-08-28 | 191 | Funding only | $10.49M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-08-28 | 187 | Change order | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-08-15 | 190 | Administrative change | $0 | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-07-27 | 189 | Funding only | $22.17M | REIMBURSABLE FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-07-27 | 188 | Funding only | $22.44M | INCREMENTAL FUNDING FOR MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-07-12 | 184 | Administrative change | $0 | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-06-28 | 186 | Funding only | $1.35M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-06-28 | 185 | Funding only | $16.65M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-05-31 | 183 | Funding only | $497.6K | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-05-30 | 182 | Funding only | $33.09M | MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLCS FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS). |
| 2023-05-15 | 180 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-04-27 | 179 | Funding only | $1.82M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-04-27 | 178 | Funding only | $8.68M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-04-20 | 160 | Additional work (new agreement) | $0 | THE PURPOSE OF THIS MODIFICATION IS TO REVISE SECTION B, SUPPLIES OR SERVICES AND PRICES - COSTS, CLAUSE B-2, CONTRACT TYPE AND VALUE, AT PARAGRAPH (B), TABLE 1, TO REFLECT INCREASES IN THE ESTIMATED COST AND AVAILABLE AWARD FEE AMOUNTS AT OPTION TER |
| 2023-03-30 | 177 | Funding only | $2.58M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-03-30 | 176 | Funding only | $37.38M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-03-07 | 175 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-02-27 | 174 | Funding only | $650.3K | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-02-27 | 173 | Funding only | $40.18M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-01-30 | 172 | Funding only | $646.2K | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-01-30 | 171 | Funding only | $412.53M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2023-01-10 | 169 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO ADMINISTRATIVELY CORRECT INTERNAL STRIPES LINE ITEMS TO REALLOCATE INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS, SHOWN ON PAGE 2, FROM BASE YEAR FUNDING TO OPTION YEAR 1. |
| 2023-01-04 | 168 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO REVISE PART II CONTRACT CLAUSES, SECTION I CONTRACT CLAUSES, TO UPDATE VARIOUS FAR CLAUSES. |
| 2022-12-22 | 166 | Funding only | $80.6K | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2022-12-22 | 165 | Funding only | $14.19M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2022-12-21 | 167 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO REVISE SECTION J, APPENDIX H, KEY PERSONNEL, AS SET FORTH IN ATTACHMENT 1. |
| 2022-12-21 | 164 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO REVISE SECTION J, APPENDIX B, F, AND I AS SET FORTH IN ATTACHMENT 1. |
| 2022-12-02 | 161 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO REVISE SECTION J, APPENDIX H, KEY PERSONNEL, AS SET FORTH IN ATTACHMENT 1. |
| 2022-11-29 | 163 | Funding only | $0 | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2022-11-29 | 162 | Funding only | $19.92M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2022-11-15 | 159 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO UPDATE THE CONSTRUCTION WAGE RATE DETERMINATIONS AT SECTION J, APPENDIX N, CONSTRUCTION WAGE RATE DETERMINATIONS, AS A RESULT OF THE EXECUTION OF MODIFICATION NO. 0152 THAT EXERCISED OPTION TERMS 1 THROUGH 5 OF |
| 2022-10-27 | 158 | Funding only | $141.54M | THE PURPOSE OF THIS MODIFICATION IS TO CHANGE THE OBLIGATED INCREMENTAL AND REIMBURSABLE FUNDING AMOUNTS TO THAT SHOWN ON PAGE 2. |
| 2022-10-04 | 142 | Administrative change | $0 | THE PURPOSE OF THIS MOD. IS TO MAKE VARIOUS CHANGES TO THE CLAUSES AT SECT. I IN SUPPORT OF AN NNSA CLASS DEVIATION TO IMPLEMENT THE OIG'S NEW AUDIT STRATEGY FOR M&O CONTRACTS. THIS MOD. ALSO SERVES TO REMOVE CLAUSE H-22, INDIRECT RATE MANAG |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-21). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗