Marines fire a Carl Gustaf weapon system on Townshend Island at the Shoalwater Bay training area in Australia, July 21, 2017, during Talisman Saber 17, a U.S.-Australia exercise. Marine Corps photo by Lance Cpl. Amy Phan
A soldier descends on a wall using the Australian rappel technique during a demonstration near Glen Jean, W.V., July 21, 2017. The soldier is assigned to the 5th Special Forces Group. Army photo by Staff Sgt. Matt Britton
Sailors heave lines to load a landing craft onto the boat deck of the USS Ashland in the Coral Sea, July 25, 2017, after the completion of Exercise Talisman Saber 2017. Navy photo by Petty Officer 3rd Class Jonathan Clay
Marine Corps Lance Cpl. Benjamin C. Gasiewicz navigates past barbed wire during a training exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 21, 2017. Marine Corps photo by Cpl. Justin M. Smith
Airmen maneuver in formation during riot control training at Ramstein Air Base, Germany, July 25, 2017. The airmen are assigned to the 86th Security Forces Squadron. Air Force photo by Senior Airman Devin Boyer
A step team performs before a suicide prevention and awareness 5K run aboard the aircraft carrier USS George H.W. Bush in the Mediterranean Sea, July 22, 2017. Navy photo by Petty Officer 3rd Class Tristan B. Lotz
Soldiers conduct reconnaissance the night before a morning mission as part of a training exercise at Fort Hunter Liggett, Calif., July 22, 2017. The soldiers are military police reservists. Army Reserve photo by Master Sgt. Michel Sauret