The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the repair and modification of velocimeters, with a focus on part numbers 6780099 and 439500-05-03. The procurement requires a firm-fixed price for the repair of 22 units, emphasizing compliance with specific military standards and a Repair Turnaround Time (RTAT) of 105 days after receipt of the assets. These velocimeters are critical for measuring liquid and gas flow, and the successful contractor must be an authorized repair source, ensuring adherence to quality assurance and inspection requirements. Interested vendors should submit their quotes electronically to Leigh E. Catchings at LEIGH.E.CATCHINGS.CIV@US.NAVY.MIL, with a minimum quote validity of 90 days.