F-22A Raptors with the 94th Fighter Squadron drop joint direct attack munitions during the 95th anniversary of Gen. William "Billy" Mitchell's bombing of the Ostfriesland, a captured German warship, at Langley Air Force Base, Virginia, July 21, 2016. U.S. Air Force photo by Staff Sgt. J.D. Strong II Soldiers take up a defensive fighting position while an AH-64 Apache attack helicopter demonstrates aerial security during a simulated coordinated opposing forces attack, July 25, 2016, as part of Arctic Anvil 2016, an exercise near Fort Greely, Alaska. Air Force photo by Justin Connaher Sailors Brandon Peterson and T.J. Amdahl from the Navy's Leap Frogs parachute team, perform a parabatic maneuver during Cheyenne Frontier Days in Cheyenne, Wyoming, July 25, 2016. Army National Guard photo by Sgt. 1st Class Jimmy McGuire Tower Twosome Junior ROTC cadets rappel down a 40-foot tower at Hurlburt Field, Florida, July 20, 2016. Special tactics airmen worked with 60 cadets from five high schools during a weeklong summer leadership course. Air Force photo by Senior Airman Ryan Conroy Lance Cpl. Hugo Orozco, an M88A2 Hercules tank mechanic with Fox Company, 4th Tank Battalion, rests under the shade of his vehicle at Engineer Training Area 2 during a training exercise on Camp Lejeune, North Carolina, July 21, 2016. U.S. Marine Corps photo by Sgt. Matthew Callahan An A-29 Super Tucano flies over Afghanistan during a training mission April 6, 2016. The A-29 can be armed with two 500-pound bombs, twin .50-caliber machine guns, and rockets. Aircrews are trained on aerial interdiction and armed overwatch missions that enable a preplanned strike capability. The Afghan air force currently has eight A-29s but will have 20 by the end of 2018. U.S. Air Force photo by Capt. Eydie Sakura A Korean War veteran looks for the name of a fallen comrade during the National Korean War Veterans Armistice Day ceremony at the New Jersey Korean Veterans War Memorial in Brighton Park, Atlantic City, New Jersey, July 27, 2016. Air National Guard photo by Tech. Sgt. Matt Hecht U.S. Marines assigned to Force Reconnaissance Platoon, Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), conduct a high altitude low opening (HALO) jump during category 3 sustainment training in Louisburg, North Carolina, June 2, 2015. U.S. Marine Corps photo by Cpl. Andre Dakis A "Red Force" simulated enemy infantry fighting vehicle rolls across the barren desert during a training event in the John Wayne Foothills of the National Training Center in Fort Irwin, California, July 31, 2016. Army photo by Pvt. Austin Anyzeski A French Air Force Mirage 2000 descends after refueling from a KC-135 Stratotanker over Iraq, June 15, 2016. Airmen from the 340th Expeditionary Air Refueling Squadron refueled the French Air Force's multirole fighter jet in support of Combined Joint Task Force-Operation Inherent Resolve. U.S. Air Force photo by Staff Sgt. Larry E. Reid Jr.