The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of circuit card assemblies, identified by NSN 5998-01-174-6930. This procurement is a sole source requirement, necessitating engineering source approval from the Naval Air Systems Command, as the government lacks sufficient data to contract with other sources. The circuit card assemblies are critical components used in shipboard systems for aircraft launch and recovery, emphasizing the importance of quality and compliance with stringent repair and inspection standards. Interested contractors must submit their proposals, including necessary source approval documentation, to Alexis Healy at alexis.k.healy.civ@us.navy.mil, with proposals remaining valid for a minimum of 120 days following submission.