The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of power supply units, classified under the NAICS code 335931. This procurement is a sole source requirement, indicating that the government does not possess sufficient data to contract with any source other than the current approved supplier, necessitating compliance with specific repair procedures and quality requirements outlined in the Statement of Work. The successful contractor will be responsible for ensuring that the power supply units are restored to a Ready for Issue condition, adhering to all applicable repair manuals and technical specifications. Interested parties must submit their proposals to Kristin Clemens at kristin.clemens2.civ@us.navy.mil, with a minimum validity period of 120 days following submission.