This pre-solicitation synopsis announces the sole-source repair of a transfer unit (NSN 7RH 5999 016517373) for Foreign Military Sales Kuwait, with Mercury Mission Systems LLC as the designated OEM and only known source with full repair capability. All responsible sources may submit capability statements, proposals, or quotations, but must be an approved source or submit the required Source Approval Information Brochure data with their submission. Alternate sources must qualify through the design control activity’s procedures, and the government may proceed with award without delaying for source approval based on fleet support needs. Proposals received within 45 days of publication of this synopsis will be considered.