U.S. Marines assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) ensure safe runways for MV-22 Ospreys to land on during Weapons and Tactics Instructor Course (WTI) 1-18 at Yuma Proving Grounds, Ariz., Oct. 17, 2017. (Sgt. Allison Lotz/Marine Corps)
U.S. Air Force Capt. Travis Rich and U.S. Air Force 1st Lt. Stewart Calder, both 816th Expeditionary Airlift Squadron C-17 Globemaster III pilots, prepare for landing at the 386th Air Expeditionary Wing during a mission in support of Operation Inherent Resolve, Oct. 15, 2017. (Staff Sgt. Michael Battles/Air Force)
Cmdr. Matthew McNealy, executive officer of the guided-missile destroyer USS Kidd (DDG 100), observes operations aboard the ship during a strait transit, Oct. 16, 2017. (Mass Communication Specialist 2nd Class Jacob Milham/Navy)
Boatswain's Mate 2nd Class Paul Coombs directs an MH-60S Seahawk on the flight deck of the littoral combat ship USS Coronado (LCS 4). (Mass Communication Specialist 2nd Class Kaleb R. Staples/Navy)
A U.S. Army paratrooper assigned to the 173rd Airborne Brigade drives during exercise Swift Response 17 on Oct. 11, 2017, in Hohenfels, Germany. (Staff Sgt. Alexander C Henninger/Army)
Marine Corps Recruits with Mike Company, 3rd Battalion, Recruit Training Regiment, practice shooting positions at Chosin range on Marine Corps Recruit Depot, Parris Island, S.C., Oct. 16, 2017. All recruits must participate in the rifle qualification course during the third phase of recruit training. (Lance Cpl. Yamil Casarreal/Marine Corps)
A U.S. Army paratrooper assigned to the 173rd Airborne Brigade stands under the stars during exercise Swift Response 17 in Hohenfels, Germany, Oct. 15, 2017. (Staff Sgt. Alexander C. Henninger/Army)
