Leidos Inc., Reston, Virginia, is awarded a $54,733,855 cost-plus-fixed-fee delivery order N00024-23-F-6313 under indefinite-delivery/indefinite-quantity contract N00024-20-D-6337 for Overlord Unmanned Surface Vessels and Medium Unmanned Surface Vehicles operations and sustainment (O&S). This delivery order includes options which, if exercised, would bring the cumulative value of this delivery order to $94,787,489. Work will be performed in Reston, Virginia (51%); Virginia Beach, Virginia (26%); La Jolla, California (7%); Morgan City, Louisiana (6%); Lexington Park, Maryland (5%); Newport News, Virginia (4%); and Bethpage, New York (1%), and is expected to be completed by February 2024. If all options are exercised, work will continue through February 2026. Fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $468,350 will be obligated at time of award and will not expire at the end of the current fiscal year. This delivery order was competitively procured, with five offers received in response to this solicitation. The Naval Sea Systems Command, Washington Navy Yard, Washington, D.C., is the contracting activity.