Raytheon Co., Marlborough, Massachusetts, is being awarded $174,576,603 for a ceiling-price, performance-based, logistics requirements contract for the repair, upgrade, or replacement of 365 parts within two of the 13 major subsystems of the Aegis Weapon System: the MK99 fire control system and the Army Navy Joint Electronics Type Designation Systems Water/Surface Ship, Radar, Surveillance and Control Transmitter Group. The contractor will also be responsible for inventory management, warehousing and achieving supply response time metrics. Work will be performed in Chesapeake, Virginia (63%); and Andover, Massachusetts (37%). This contract includes a five-year base period with no options. Work is expected to be completed by November 2029. Annual working capital funds (Navy) in the amount of $36,877,685 will be issued for delivery order N00383-20-F-0NE0 that will be awarded concurrently with the contract and will initially be obligated at the time of award as an undefinitized contract action with a commitment of $12,406,357 for a year’s period of performance. Funds will not expire at the end of the current fiscal year. One company was solicited for this sole-source requirement under authority 10 U.S. Code 3204 (a)(1), with one offer received. Naval Supply Systems Command Weapon Systems Support, Philadelphia, Pennsylvania, is the contracting activity (N00383-25-D-NE01).