HDTRA122C0036↗
General Dynamics Mission Systems, Inc. received this contract from Defense Threat Reduction Agency, Defense Threat Reduction Agency: $36.66M obligated so far for support- professional: other. It runs to 2027-09-27.
Key facts · data as of Oct 25, 2026
- Recipient
- General Dynamics Mission Systems, Inc.
- Awarding agency
- Defense Threat Reduction Agency (Department of Defense)
- Contracting office
- Defense Threat Reduction Agency (HDTRA1)
- Obligated to date
- $36.66M
- Potential value
- $48.35M
- Ends
- 2027-09-27
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 25, 2026.
Cite this page: SpendQuery, Award HDTRA122C0036, data as of Oct 25, 2026, https://spendquery.com/award?id=CONT_AWD_HDTRA122C0036_9700_-NONE-_-NONE-
General Dynamics Mission Systems, Inc.: all federal awards · Department of Defense: spending · Defense Threat Reduction Agency: what it buys · The follow-on: recompete brief
OPERATIONS & MAINTENANCE SUPPORT FOR RADIONUCLIDE INTERNATIONAL MONITORING SYSTEM
Up for re-bid: ends 2027-09-27. Recompete brief → · Acquisition Update for TRIDENT (Decisive Action Follow-on) ↗
What it is
- Product or service
- Support- Professional: Other (PSC R499)
- Industry
- All Other Professional, Scientific, and Technical Services (NAICS 541990)
- Contracting office
- Defense Threat Reduction Agency (HDTRA1)
- Competition
- Not competed · 1 offer received
- Pricing
- Cost plus fixed fee
- How it was bought
- Standalone contract
- Solicitation
- HDTRA122R0017
- Where the work is
- Fairfax, VA · district VA-11
Obligations by fiscal year
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
Subcontractors: where the money went next
35 subawards totaling $10.68M (29.1% of what was obligated), as General Dynamics Mission Systems, Inc. reported them. Primes report subawards of $30,000 or more; smaller ones and unreported ones aren't here.
| Subcontractor | Amount | Subawards | Where | First | Last |
|---|---|---|---|---|---|
| Teledyne Technologies Incorporated | $2.72M | 4 | AL | 2022-12-21 | 2025-10-29 |
| Altamira Technologies Corp | $2.30M | 1 | VA | 2024-02-21 | 2024-02-21 |
| Monaco Enterprises, Inc. | $1.49M | 2 | WA | 2024-01-05 | 2024-04-15 |
| Teledyne Brown Engineering, Inc. | $1.32M | 1 | AL | 2023-11-03 | 2023-11-03 |
| Scienta Sensor Systems Ab | $861.1K | 3 | 2022-12-28 | 2025-02-19 | |
| Scienta Scientific Holding Ab | $539.2K | 4 | 2025-03-20 | 2025-10-20 | |
| Modular Connections LLC | $314.2K | 1 | AL | 2025-07-15 | 2025-07-15 |
| Fala Technologies Inc. | $212.9K | 2 | NY | 2023-05-18 | 2024-04-24 |
| L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude | $164.3K | 5 | CA, GA | 2022-11-14 | 2025-07-22 |
| Kromek Group PLC | $163.1K | 1 | PA | 2023-08-31 | 2023-08-31 |
| Mirion Technologies (US), Inc. | $157.7K | 1 | CT | 2025-09-15 | 2025-09-15 |
| Systems Definition Inc | $83.2K | 1 | VA | 2024-02-05 | 2024-02-05 |
| Schneider Electric Se | $78.0K | 1 | MA | 2026-02-20 | 2026-02-20 |
| Superior Felt & Filtration LLC | $75.2K | 1 | IL | 2025-04-03 | 2025-04-03 |
| Assetworks USA Inc | $50.5K | 1 | PA | 2023-12-19 | 2023-12-19 |
| Qspac Industries Inc | $37.5K | 1 | CA | 2024-01-19 | 2024-01-19 |
| Tec, Inc. | $35.1K | 1 | MD | 2024-05-16 | 2024-05-16 |
| Kaw Valley Engineering Inc | $32.4K | 1 | KS | 2025-09-24 | 2025-09-24 |
| Ab-Wey Machine & Die Co., Inc. | $31.0K | 1 | MA | 2023-12-18 | 2023-12-18 |
| Erlinda G Steiner | $13.3K | 1 | GU | 2024-01-29 | 2024-01-29 |
| General Dynamics Ais | $8.4K | 1 | VA | 2023-10-21 | 2023-10-21 |
The largest single subawards
| Date | To | Amount | For |
|---|---|---|---|
| 2024-02-21 | Altamira Technologies Corp | $2.30M | GOODS AND OR SERVICES |
| 2024-04-15 | Monaco Enterprises, Inc. | $1.49M | GOODS AND OR SERVICES |
| 2023-11-03 | Teledyne Brown Engineering, Inc. | $1.32M | GOODS AND OR SERVICES |
| 2025-04-09 | Teledyne Brown Engineering, Inc. | $1.26M | GOODS AND OR SERVICES |
| 2022-12-21 | Teledyne Brown Engineering, Inc. | $1.17M | GOODS AND OR SERVICES |
| 2022-12-28 | Scienta Sensor Systems Ab | $322.1K | GOODS AND OR SERVICES |
| 2025-07-15 | Modular Connections LLC | $314.2K | GOODS AND OR SERVICES |
| 2024-03-18 | Scienta Sensor Systems Ab | $293.9K | GOODS AND OR SERVICES |
| 2025-02-19 | Scienta Sensor Systems Ab | $245.0K | GOODS AND OR SERVICES |
| 2023-05-18 | Fala Technologies Inc. | $180.4K | GOODS AND OR SERVICES |
| 2023-08-31 | Ev Products Inc | $163.1K | GOODS AND OR SERVICES |
| 2025-03-20 | Scienta Sensor Systems Ab | $161.7K | GOODS AND OR SERVICES |
| 2025-09-15 | Mirion Technologies (Canberra), Inc. | $157.7K | GOODS AND OR SERVICES |
| 2025-07-10 | Teledyne Brown Engineering, Inc. | $157.7K | GOODS AND OR SERVICES |
| 2025-04-01 | Scienta Sensor Systems Ab | $150.2K | GOODS AND OR SERVICES |
| 2025-10-02 | Scienta Sensor Systems Ab | $137.3K | GOODS AND OR SERVICES |
| 2025-10-29 | Teledyne Brown Engineering, Inc. | $122.5K | GOODS AND OR SERVICES |
| 2025-10-20 | Scienta Sensor Systems Ab | $90.0K | GOODS AND OR SERVICES |
| 2024-02-05 | Systems Definition Inc | $83.2K | GOODS AND OR SERVICES |
| 2026-02-20 | Schneider Electric IT Corporation | $78.0K | GOODS AND OR SERVICES |
| 2025-04-03 | Superior Felt & Filtration LLC | $75.2K | GOODS AND OR SERVICES |
| 2023-12-19 | Assetworks USA Inc | $50.5K | GOODS AND OR SERVICES |
| 2024-01-19 | Qspac Industries Inc | $37.5K | GOODS AND OR SERVICES |
| 2023-05-04 | Airgas USA LLC | $35.9K | GOODS AND OR SERVICES |
| 2024-05-16 | Tec, Inc. | $35.1K | GOODS AND OR SERVICES |
Every action
20 actions since 2022-11-22. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-07-22 | P00020 | Option exercised | $3.34M | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2026-05-08 | P00019 | Supplemental agreement (work within scope) | $0 | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2026-04-16 | P00018 | Funding only | $400.0K | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2026-01-28 | P00017 | Option exercised | $2.43M | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2025-12-23 | P00016 | Funding only | $1.10M | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2025-08-21 | P00015 | Funding only | $456.5K | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2025-07-17 | P00014 | Option exercised | $4.69M | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2025-05-22 | P00013 | Funding only | $176.8K | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS |
| 2025-04-25 | P00012 | Administrative change | $0 | THE CONTRACTOR SHALL PROVIDE SUPPORT AS SET FORTH IN ATTACHMENT 1, STATEMENT OF WORK |
| 2025-03-12 | P00011 | Funding only | $269.3K | RADIONUCLIDE OPERATIONS & MAINTENANCE |
| 2025-01-30 | P00010 | Funding only | $2.92M | RADIONUCLIDE OPERATIONS & MAINTENANCE |
| 2025-01-17 | P00009 | Option exercised | $3.45M | RADIONUCLIDE OPERATIONS & MAINTENANCE |
| 2024-07-29 | P00008 | Option exercised | $3.28M | RADIONUCLIDE OPERATIONS & MAINTENANCE |
| 2024-07-10 | P00007 | Funding only | $279.8K | RADIONUCLIDE OPERATIONS & MAINTENANCE |
| 2024-04-22 | P00006 | Supplemental agreement (work within scope) | $0 | RADIONUCLIDE OPERATIONS & MAINTENANCE |
| 2024-01-09 | P00005 | Option exercised | $2.52M | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS FOR THE UNITED STATES INTERNATIONAL MONITORING SYSTEM |
| 2023-12-19 | P00004 | Funding only | $3.42M | OPERATIONAL SUPPORT OF RADIONUCLIDE STATIONS FOR THE UNITED STATES INTERNATIONAL MONITORING SYSTEM |
| 2023-07-18 | P00003 | Option exercised | $2.49M | OPERATIONS & MAINTENANCE SUPPORT FOR RADIONUCLIDE INTERNATIONAL MONITORING SYSTEM |
| 2023-02-24 | P00002 | Option exercised | $4.80M | RADIONUCLIDE OPERATIONS & MAINTENANCE FOR THE UNITED STATES INTERNATIONAL MONITORING SYSTEM |
| 2022-11-22 | P00001 | Funding only | $619.9K | OPERATIONS & MAINTENANCE SUPPORT FOR RADIONUCLIDE INTERNATIONAL MONITORING SYSTEM |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-25). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗