Damage Controlman 2nd Class Demetrick Westbrook communicates with the repair locker during a chemical, biological, and radiological drill aboard the amphibious assault ship USS Peleliu (LHA 5). Peleliu is the flagship for the Peleliu Amphibious Ready Group and, with the embarked 15th Marine Expeditionary Unit, is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Valerie M. Grayson)