PACIFIC OCEAN (Sept. 9, 2021) Sailors and Marines assigned to the amphibious transport dock ship USS John P. Murtha (LPD 26) sing the national anthem during a 9/11 remembrance ceremony where service members don service uniforms and the uniforms of first responders to pay tribute to the fallen, Sept. 9, 20. John P. Murtha is participating in exercise Freedom Banner, an annual exercise that involves strategic projection of the Maritime Prepositioning Force and associated combat forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Curtis D. Spencer)