From the notice

THIS REQUIREMENT IS ADVERTISED AS SOLE SOURCE. THE NOTICE IS PUBLISHED FOR INFORMATION PURPOSES ONLY AND IS NOT A REQUEST FOR COMPETITIVE PROPOSALS. This acquisition is being pursued on a sole source basis under the statutory authority of Title 10, U.S.C. Section 2304(c) (1), as implemented by Federal Acquisition Regulation (FAR) 6.302-1, "Only one responsible source and no other supplies or services will satisfy agency requirements." A determination by the Government not to compete this effort is solely within the discretion of the Government. The Government will not pay for any information received. This announcement constitutes the only solicitation, and a written solicitation will not be issued. The Government will consider other bids. This requirement is being synopsized as a full and open competition under the North American Industry Classification System (NAICS) code 541330-1, and PSC Code R425. ****NOTE: The required fill-in provisions 52.204-24 and 52.204-26 attached to this post must be filled in and returned with your quote to be considered for award. **** The Naval Air Warfare Center- Aircraft Division (NAWCAD) at Patuxent River, MD announces its intention to procure, on a Sole Source (SS) basis to Severn Test Services, 759 Fawnelm Road Severn, MD 21144. The contractor shall provide: Engineering services to support the Airborne Systems Training and Research Support (ASTARS) system in the ASTARS III aircraft and ASTARS III simulation lab. Please see attached Statement of Work.

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