PHILIPPINE SEA (Nov. 18, 2023) Sailors utilize an M256A1 kit to test for chemical agents during a simulated chemical, biological, radiological (CBR) attack aboard the Arleigh Burke-class guided-missile destroyer USS Shoup (DDG 86) while conducting routine operations in the Philippine Sea, Nov. 18, 2023. Shoup is assigned to Commander, Task Force (CTF) 71/Destroyer Squadron (DESRON) 15, the Navy's largest forward-deployed DESRON and the U.S. 7th Fleet's principal surface force. (U.S. Navy photo by Mass Communication Specialist 1st Class Donavan K. Patubo)