The Department of Defense, through the NAVSUP Weapon Systems Support, is seeking a sole source procurement for the repair of two Acoustic Processor Units (APUs) under solicitation number N00383-25-Q-R397. The requirement specifically targets the repair of NSN 7R9999999999999 and P/N 8002260, with L-3 Communications Ocean Systems identified as the only known source capable of fulfilling this need due to the lack of available drawings or data for alternative suppliers. This procurement is critical for maintaining operational capabilities, and interested parties must submit their capability statements to the primary contact, Linda Vong, at linda.vong2.civ@us.navy.mil, within 15 days of this notice, with proposals accepted for consideration within 45 days. The procurement will not be set aside for small businesses, and electronic submission procedures will be utilized for the solicitation process.