Image 0 of 5Marines fire a mine clearing line charge for a tank mechanized assault course during Integrated Training Exercise (ITX) 5-17 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 28, 2017. (Sgt. Kassie L. McDole/Marine Corps) President Trump awards the Medal of Honor to retired Army medic James McCloughan during a ceremony in the East Room of the White House in Washington, Monday, July 31, 2017. (Pablo Martinez Monsivais/AP) Two Air Force B-1B Lancers join with South Korean air force F-15s during a 10-hour mission into Japanese airspace and over the Korean Peninsula, July 30, 2017. (Tech. Sgt. Kamalie Casillas/Air Force) An E/A-18G Growler assigned to the Vikings of Electronic Attack Squadron (VAQ) 129 is inspected prior to launch aboard the Nimitz-class aircraft carrier USS Carl Vinson on July 31, 2017. (MC2 Zackary Alan Landers/Navy) Marines fire an M777 howitzer high-explosive round during an integrated training exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 30, 2017. (Cpl. Justin M. Smith/Marine Corps)