Curtiss-Wright Electro-Mechanical Corp., Cheswick, Pennsylvania, is awarded an $18,500,000 firm-fixed-price, indefinite-delivery/indefinite-quantity contract for a Navy submarine’s Advanced Secondary Propulsion Unit (ASPU) refurbishment to include services and materials for repairing, refurbishing, and adjusting the ASPU system components on a Navy vessel. This contract has a total ordering period of five years from the date of award. Work will be performed in Cheswick, Pennsylvania (95%); and Bremerton, Washington (5%), and is expected to be completed by August 2027. No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued. This contract was not competitively procured pursuant to 10 U.S. Code 2304(c)(1) as only one responsible source and no other supplies or services will satisfy agency requirements. The Naval Sea Systems Command, Bremerton, Washington, is the contracting activity (N4523A22D5706).