The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of aircraft engine starters under the presolicitation titled "29--STARTER, ENGINE, AIR, IN REPAIR/MODIFICATION OF." The procurement involves a quantity of 8 units, with specific requirements for repair turnaround time (RTAT) and throughput constraints, emphasizing the need for engineering source approval to maintain part quality. Interested parties are encouraged to submit their interest and capability statements within 45 days of the notice, with all inquiries directed to Kristen N. Florczak at (215) 697-3770 or via email at KRISTEN.FLORCZAK@NAVY.MIL.