The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the procurement of three START Power Units (NSN 7R-6130-200049370-P8, REF NR 1152464-265). This solicitation is for a commercial/nondevelopmental/off-the-shelf item that requires Government source approval prior to contract award due to its flight-critical nature. Interested vendors must provide necessary documentation for source approval, including FAA-certified parts and relevant technical data, as proposals lacking this information will not be considered. For further inquiries, interested parties can contact Christian M. Markle at (215) 697-6679 or via email at CHRISTIAN.M.MARKLE.CIV@US.NAVY.MIL.