Air Force Reserve Officer Training Corps Cadets walk toward their designated location at Yakima Training Center in Yakima, Wash., Aug. 5, 2017, as part of Exercise Mobility Guardian 2017. (Airman 1st Class Nicholas Dutton/Air Force)
Explosives Ordnance Disposal Technician 3rd Class Cameron Duffy emerges from the water at the Indianapolis State Fair on Aug. 7, 2017, during Navy Week Indianapolis. (Gunner’s Mate 2nd Class Erin Bullock/Navy)
Marines provide security at the top of a hill during a battalion urban field exercise for Integrated Training Exercise (ITX) 5-17 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Aug. 1, 2017. (Sgt. Kassie L. McDole/Marine Corps)
Arizona Army National Guardsmen don protective masks during a simulated chemical attack at Florence Military Reservation, Ariz., Aug. 5, 2017. (Staff Sgt. Brian A. Barbour/Army)
Air Force C-130 Hercules aircraft from the 156th Airlift Squadron drop heavy equipment loads over the Palestine drop zone at the Stanley County Airport, New London, N.C., Aug. 5, 2017. (Tech. Sgt. Julianne Showalter/Air Force)
Soldiers from 2nd Cavalry Regiment breach an obstacle on Aug. 4, 2017, during a training mission at Vaziani Military Base for Noble Partner 17. (Sgt. Timothy Pike/Army)
Cmdr. Ryan Bernacchi, flight leader of Navy flight demonstration squadron the Blue Angels, is knighted on Aug. 4 by the 2017 Seattle Seafair King and Queen during the Seafair Gala at Olympic Structure Park. (MC2 Curtis D. Spencer/Navy)
A beam of light illuminates a mock mortar shell held by Army Sgt. Thomas Fentiman during the Raven's Challenge explosive ordnance disposal exercise at Camp Pendleton, Calif., Aug. 3, 2017. (EJ Hersom/DoD)
Aviation Support Equipment Technician 3rd Class Angus Moss, assigned to the Air department aboard the amphibious tranport dock ship USS San Diego (LPD 22), directs an MV-22B Osprey on the ship's flight deck on Aug. 2, 2017. (MC3 Justin A. Schoenberger/Navy)
U.S. soldiers from the 82nd Airborne Division prepare to board a Royal Australian Air Force KC-30A Multi Role Tanker Transport during Exercise Mobility Guardian at Joint Base Lewis-McChord, Wash., Aug. 5, 2017. (Senior Airman Clayton Cupit/Air Force)
