This effort is being awarded on a sole source basis to DRS Daylight Defense, LLC, in accordance with FAR 6.302-1 because DRS Daylight Defense, LLC is the sole-source designer, developer, and manufacturer of the equipment addressed in this synopsis and no other supplies or services will satisfy agency requirements. In addition, the Government lacks the drawings and technical data to permit competitive procurement of the AN/AAQ-45 system. Drawings and data are proprietary to DRS Daylight Defense, LLC. A Product Verification Audit (PVA) may be required for prospective sources. Please contact DRS Daylight Defense, LLC Contracts Manager, Mr. Frank Priefler, at (858) 432-7528 or [email protected] for subcontracting opportunities.