This is a $6,708,509.62 definitive, firm fixed-price contract awarded by the Department of the Navy Naval Sea Systems Command to the foreign-owned, for-profit company Martin-Baker Aircraft Company LIMITED, doing business as Martin-Baker. The contract is for the delivery of JSF (Joint Strike Fighter) cartridges, with a completion date of April 27, 2021. The original solicitation was a sources sought notice, under which the government intended to solicit and negotiate with only one source. The contract has no set-aside designation. Martin-Baker is a supplier of aircraft ejection seats, safety systems, and related equipment to U.S. defense aviation programs and international military customers through prime and subcontract awards. The company holds additional contracts, including a Basic Ordering Agreement for spare parts and repairs with the Department of the Navy Naval Supply Systems Command, and an Indefinite Delivery Contract from the Department of the Air Force Materiel Command for T-38 electronic systems upgrades.