PHILIPPINE SEA (Feb. 17, 2022) Sailors check for chemical, biological and radiological (CBR) agents during a CBR damage control drill aboard the Independence-variant littoral combat ship USS Tulsa (LCS 16). Tulsa, part of Destroyer Squadron (DESRON) 7, 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)