The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of five antenna assemblies, identified by NIIN 015874866 and part number 131K876G01. The procurement requires that all proposals include necessary documentation for government source approval, as items must be approved prior to award, and submissions must adhere to the guidelines outlined in the NAVSUP WSS Source Approval Brochure. These antenna assemblies are critical for various defense applications, and early and incremental deliveries are preferred to meet fleet support needs. Interested vendors should submit their proposals via email to Sarah Crompton at sarah.e.crompton.civ@us.navy.mil by the specified due date, with the terms and conditions of BOA N0038321GZJ01 applying to this requirement.