Alpha Marine Services LLC, Galliano, Louisiana, is awarded a $15,074,321 modification (P00035) under a previously awarded, firm-fixed-price contract (N3220518C3520) to fund the third one-year option period for one U.S.-flagged maritime support vessel MV Kellie Chouest in support of U.S. Southern Command operational requirements. This contract includes a 12-month base period, three 12-month option periods, and one 11-month option period, which, if exercised, would bring the cumulative value of this contract to $57,464,816. Work is being performed at sea, starting June 1, 2018, and is expected to be completed, if all options are exercised, by April 30, 2023. The option will be funded by fiscal 2021 and 2022 operation and maintenance funds (Navy). This contract was competitively procured via the Federal Business Opportunities website and three offers were received. The Navy’s Military Sealift Command, Norfolk, Virginia, is the contracting activity (N3220518C3520).