Tech. Sgt. Patrick Young serves the ball during a volleyball match as part of the Warrior Care Month Sitting Volleyball Tournament at the Pentagon on Thursday, Nov. 19, 2015. The Air Force Wounded Warrior Team won the match against the Marines and went on to take home the tournament trophy . Whitney Stanfield/U.S. Air Force (Whitney Stanfield/U.S. Air Force)

F-15 Fighting Eagles from the 428th Fighter Squadron arrived at Luke Air Force Base, Ariz., on Thursday, Nov. 19, 2015. The F-15s came in support of the training exercise Forging Saber, involving the 428th Fighter Squadron, 425th Fighter Squadron, and members of the Republic of Singapore's armed forces. The exercise will be held Dec. 1-13. James Hensley/U.S. Air Force (James Hensley/U.S. Air Force)

A U.S. Air Force joint terminal attack controller assigned to Combined Joint Task Force-Horn of Africa conducts close air support training in Djibouti, Nov. 18, 2015. Part of the task force's mission is to provide military support to regional operations that combat violent extremism. Barry Loo/U.S. Air Force (Barry Loo/U.S. Air Force)

Col. Harlie Bodine, commander of the 611th Air and Space Operations Center, spent the day with the 176th Wing, Alaska Air National Guard's rescue squadrons during an immersion flight, Nov. 24, 2015, in and around the Joint Base Elmendorf-Richardson area. The day;s demonstrations included an air refueling mission in which an HH-60G Pave Hawk helicopter was refueled by an HC-130 King aircraft, as well as a hoist extraction demo from a Pave Hawk. ()

Tech. Sgt. Jared Warner is greeted by his family as the 116th Air Control Squadron returns home from deployments in support of Operation Inherent Resolve, Operation Resolute Support, and Combined Defense of the Arabian Gulf, Nov. 25, 2015, Portland Air National Guard Base, Ore. ()

Chief Master Sgt. Samuel Couch, 90th Missile Wing command chief, hands 1st Lt. Caryn Morales, 320th Missile Squadron, a piece of candy as she exits F.E. Warren Air Force Base, Wyo., Nov. 25, 2015. Couch joined other members of the 90th MW leadership in wishing Airmen a happy Thanksgiving. (R.J. Oriez/U.S. Air Force)

Senior Airman Alberto Rosado-Perez, U.S. Air Force Band of the Pacific guitarist, performs holiday music during the Yokota Holiday Spectacular Parade at Yokota Air Base, Japan, Nov. 24, 2015. The base community came together to usher in the holiday season. (Delano Scott/U.S. Air Force)