An F-35 Lightning II performs during the 2017 Joint Base San Antonio Air Show and Open House Nov. 4, 2017, at JBSA-Lackland Kelly Field. (Johnny Saldivar/Air Force)
Sailors perform flight operations aboard the USS Nimitz in the western Pacific Ocean, Nov. 12, 2017, during training with the USS Ronald Reagan, the USS Theodore Roosevelt and their carrier strike groups. (MC3 Cole Schroeder/Navy)
Boatswain’s Mate 2nd Class Shadi Azhari delivers a safety brief aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) prior to a replenishment-at-sea with the Henry J. Kaiser-class fleet replenishment oiler USNS Leroy Grumman (T-AO 195). (MC1 Theron J. Godbold/Navy)
Deputy Secretary of Defense Pat Shanahan learns about the mission of Joint Base Lewis-McChord, Wash., Nov. 14, 2017, from the airmen and soldiers stationed there. It was his first opportunity to observe military unit readiness firsthand outside the Washington, D.C., area. (Tech. Sgt. Brigitte N. Brantley/Air Force)
U.S. Marines with Marine Medium Tiltrotor Squadron (VMM) 162 (REIN), 26th Marine Expeditionary Unit (MEU), and sailors with the Iwo Jima Amphibious Readiness Group (ARG), perform pre-flight inspections on an AH-1W Super Cobra during Combined Composite Unit Training Exercise (COMPTUEX) on the flight deck of the amphibious transport dock ship USS New York (LPD 21), Nov. 15, 2017. (Cpl. Jered T. Stone/Marine Corps)
Soldiers assigned to the 3rd Infantry Division participate in a 4-mile division run at Fort Stewart, Ga., Nov. 13, 2017, as part of Marne Week 2017, a celebration of the unit's centennial. (Sgt. Caitlyn Smoyer/Army)
