The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of combustion liners under the solicitation titled "28--LINER, COMBUSTION CH." This contract involves the manufacturing, testing, and inspection of specific items in accordance with Rolls Royce specifications, and requires government source approval prior to award. The goods are critical components for aircraft engines, emphasizing the importance of quality and compliance with military standards. Interested vendors should direct inquiries to Alainna M. Pettit at 215-697-2606 or via email at alainna.m.pettit.civ@us.navy.mil, and must ensure all required documentation is submitted with their proposals to be considered for the award.