PACIFIC OCEAN (September 20, 2021) Sailors assigned to amphibious transport dock ship USS John P. Murtha (LPD 26) use firefighting equipment to combat a simulated casualty as part of damage control training in auxiliary machinery room two during a routine underway, Sept. 20. John P. Murtha is underway conducting routine training operations in U.S. 3rd Fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class Curtis D. Spencer)