SOUTH CHINA SEA (Nov. 22, 2021) Logistics Specialist 2nd Class Ernesto Espinosa, from Chicago, stands by as the Independence-variant littoral combat ship USS Tulsa (LCS 16) sails alongside the fleet replenishment oiler USNS Big Horn (T-AO 198) for a replenishment-at sea. Tulsa, part of Destroyer Squadron Seven, is on a rotational deployment, operating in the U.S. 7th Fleet area of operations to enhance interoperability with partners and serve as a ready-response force in support of a free and open Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 1st Class Devin M. Langer)