Image 0 of 111st Battalion, 143rd Infantry Regiment 173rd Airborne Brigade conducts an airfield seizure in Turzii, Romania during Exercise Saber Guardian 17. (Sgt. David Vermilyea/Army) Marines line up behind a ballistic blanket before performing a simulated door breach at Camp Pendleton, Calif., Aug. 1, 2017. (Lance Cpl. Cutler Brice/Marine Corps) Army Sgt. Isaac Pezoa uses a rescue cutter during a vehicle extraction demonstration at Sparta/Fort McCoy Airport, Wis., Aug. 10, 2017, as part of Patriot Warrior, an Air Force Reserve training exercise. (Tech. Sgt. Efren Lopez/Air Force) Staff Sgt. Aaron D'Angelo from the 11th Civil Engineer Squadron, explosive ordinance disposal technician, participates in a exercise scenario during Operation Llama Fury 3.0 at Joint Base Langley-Eustis, Va., Aug. 8, 2017. (Staff Sgt. J.D. Strong II/Air Force) Soldiers participate in a graveside service at Arlington National Cemetery, Va., Aug. 8, 2017, for Army Sgt. Willie Rowe, who was captured during the Korean War. The Joint POW/MIA Accounting Command Central Identification laboratory received and identified his remains in 2005. (Elizabeth Fraser/Army) Sailors attached to the U.S. 7th Fleet flagship USS Blue Ridge (LCC 19), undergo training on Aug. 9 during the General Shipboard Firefighting Course at the Surface Warfare Officers School, Learning Site Yokosuka. (MC3 Patrick Semales/Navy) Pararescuemen from the 38th Rescue Squadron climb a ladder into an HH-60G Pave Hawk, Aug. 7, 2017, near Dog Island, Fla. Airmen from the 23d Wing and 325th Fighter Wing conducted daytime water rescue operations training in conjunction with exercise Stealth Guardian. (Staff Sgt. Ryan Callaghan/Air Force) An E2-C Hawkeye early warning and attack aircraft assigned to the "Bear Aces" of Carrier Airborne Early Warning Squadron (VAW) 124 flies past the aircraft carrier USS George H.W. Bush (CVN 77) on Aug. 10 during an air power demonstration rehearsal. (MC3 Tristan B. Lotz/Navy) Joint Chiefs Chairman Gen. Joseph Dunford boards a helicopter at Osan Air Base in Pyeongtaek, South Korea, Monday, Aug. 14, 2017, to travel to U.S. Army Garrison Yongsan in Seoul, South Korea. Andrew Harnik/AP) Japan Ground-Self Defense Force Sgt. First Class Ryuta Hirano observes light armored vehicle live-fire Aug. 14, 2017, in Hokudaien, Japan, during Northern Viper. (Lance Cpl. Savannah Mesimer/Marine Corps) Secretary of the Navy Richard V. Spencer addresses the crew of the aircraft carrier USS Gerald R. Ford (CVN 78) on Aug. 10 during an all-hands call in the ship's hangar bay. (MC3 Connor D. Loessin/Navy)