A Soldier from the 173rd Airborne Brigade participate in a simulated shooting drill at the Grafenwoehr Training Area, Germany, Aug. 7, 2017. (Spc. Emily Houdershieldt/Army)
Logistics Specialist Seaman Amanda Whisler fires a .50-caliber machine gun aboard the Arleigh Burke-class guided-missile destroyer USS Pinckney (DDG 91) on Aug. 16. (MC2 Craig Z. Rodarte/Navy)
A U.S. Coast Guard Cutter Douglas Munro small boat crew transits international waters in support of Operation North Pacific Guard Aug. 15, 2017. (U.S. Coast Guard photo)
Soldiers formulate a plan to cross an obstacle using a box of supplies at the leadership reaction course at Schofield Barracks, Hawaii, Aug. 14, 2017, while participating in a team-building event. (Staff Sgt. Armando R. Limon/Army)
U.S. Air Force security forces Airmen participate in a Non-Standard Response Drill during exercise Patriot Warrior at Fort McCoy, Wis., Aug. 14, 2017. (Staff Sgt. Corban Lundborg/Air Force)
Sailors conduct routine maintenance on a F/A-18F Super Hornet assigned to the "Blacklions" of Strike Fighter Squadron (VFA) 213 aboard the aircraft carrier USS George H.W. Bush (CVN 77) on Aug. 11. (MCSN Zachary P. Wickline/Navy)
Marines go through the combat endurance course at Marine Corps Recruit Depot Parris Island, S.C., Aug. 12, 2017. The Marines are assigned to Marine Wing Support Detachment 31. (Lance Cpl. Erin R. Ramsay/Marine Corps)
Army Spc. Kenny Ochoa tosses a grenade on a qualification course at Fort Devens, Mass., Aug. 9, 2017, while participating in three weeks of training to prepare for the Army's 2017 Best Warrior Competition. (Calvin Reimold/Army)
Kenichi Shimajiri, 18th Civil Engineer Squadron fire inspector, teaches Okinawan firefighters about the F-15 Eagle's exhaust system during their visit, Aug. 14, 2017, at Kadena Air Base, Japan. (Naoto Anazawa/Air Force)
U.S. Chairman of the Joint Chiefs of Staff Gen. Joseph Dunford, left, shakes hands with Chinese Northern Theater Command Commander Gen. Song Puxuan, right, following a meeting together at Northern Theater Command Army Force Haichung Camp in Haichung, China, Wednesday, Aug. 16, 2017. (Andrew Harnik/AP)
