The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of three units of the Laser-Infrared Observation System, identified by NSN 5860016972989. This solicitation is a source-controlled drawing item, with the approved source being 6U501 434P-ABNKIT, and the items must conform to the specifications outlined in the associated drawings. The procurement is critical for military applications involving search, detection, navigation, and guidance systems. Interested vendors are encouraged to submit their quotes electronically, as hard copies of the solicitation will not be available, and all inquiries should be directed to the buyer via email at DibbsBSM@dla.mil. Quotes must be submitted within the specified timeframe, with delivery expected to DLA Distribution San Joaquin within 164 days after order placement.