LACW Christina Smith, 2 Security Forces Squadron Tindal, Australia, military working dog handler, attaches a short leash to her dog, Chainsaw, before commanding him to release his bite on a simulated suspect during Pacific Defender 21-1 at Andersen Air Force Base, Guam, January 27 2021. This long-standing exercise pre-empts Cope North 21 and is designed to enhance multilateral operations among security forces of the U.S. Air Force, the U.S. Navy, U.S. Marine Corps, Koku Jieitai and Royal Australian Air Force. (U.S. Air Force photo by Staff Sgt. Ryan Brooks)