Seaward Marine Services LLC, Norfolk, Virginia, is awarded a $295,900,000 firm-fixed-price, indefinite-delivery/indefinite-quantity contract for waterborne hull cleaning and associated efforts relating to the underwater portion of ships and craft to support the Director of Ocean Engineering, Supervisor of Salvage and Diving. Work will be performed worldwide and is expected to be completed in March 2028. No funding will be obligated at the time of contract award as funds will be obligated upon the issuance of individual task orders under this contract. This contract was not competitively procured in accordance with 10 U.S. Code 2304(c)(1), only one responsible source and no other supplies or services will satisfy agency requirements. The Naval Sea Systems Command, Washington, D.C., is the contracting activity (N00024-23-D-4311).