The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure two antennas from Lockheed Martin Corporation on a sole source basis. The procurement involves the item with part number 186A993-4 and National Stock Number (NSN) 7R-5985-015838968-CB, which is critical for military applications and requires specialized manufacturing capabilities. Interested parties are invited to submit capability statements or proposals within 45 days of this notice, although the government anticipates receiving a single acceptable offer from the designated source. For further inquiries, interested organizations can contact Kate N. Schalck at (215) 697-1020 or via email at kate.n.schalck.civ@us.navy.mil.