The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of interrogator-transponder systems. This opportunity involves the acquisition of spare parts, which require government source approval for award, emphasizing the importance of compliance with the NAVSUP WSS source approval process. The goods are critical for maintaining operational capabilities within the Navy's fleet, ensuring that communication and identification systems remain functional and effective. Interested vendors must submit their quotes via email to Owen M. McNamara by the specified due date, and further details regarding the source approval process can be found on the NAVSUP website.