A Marine pulls a Humvee at a USO field meet and cookout for Marines at Air Station Iwakuni in Yamaguchi, Japan, July 21, 2017. Marine Corps photo by Lance Cpl. Jacob A. Farbo
Paratroopers conduct entry training to prepare for seizure operations during Saber Guardian 17 over Bezmer Air Base, Bulgaria, July 18, 2017. Air Force photo by Tech. Sgt. Liliana Moreno
Navy Petty Officer 3rd Class Sirus Woodard directs a Humvee onto a landing craft utility from the USS Ashland during Talisman Saber 17 in the Coral Sea, July 19, 2017. Navy photo by Petty Officer 3rd Class Jonathan Clay
A pilot sits in the cockpit of an F-35A Lightning II awaiting takeoff at night during Red Flag 17-3 at Nellis Air Force Base, Nev., July 14, 2017. Air Force photo by Senior Airman Dustin Mullen
Marines on an MV-22 Osprey aircraft participate in a helicopter insertion exercise at the Jungle Warfare Training Center at Camp Gonsalves, Okinawa, Japan, July 17, 2017. Marine Corps Photo by Cpl. Aaron S. Patterson
Sailors prepare to guide an air-cushion landing craft into the well deck of the USS Wasp in the Atlantic Ocean, July 17, 2017. Navy photo by Petty Officer 3rd Class Levingston Lewis
An airman reaches for a ring as he participates in a warrior course at Barksdale Air Force Base, La., July 11, 2017. Air Force photo by Airman 1st Class Stuart Bright