PHOTO OF THE DAY

Full Flightline

An F-22 Raptor, a T-38 Talon, F-16 Fighting Falcons and an F-35 Lightning II sit on the flightline during the Checkered Flag 16-1 exercise on Tyndall Air Force Base, Fla., Dec. 17, 2015. U.S. Air Force photo by Senior Airman Sergio A. Gamboa

Aircraft Maintenance

An airman performs maintenance on an F-16 Fighting Falcon aircraft on Tyndall Air Force Base, Fla., Dec. 15, 2015. U.S. Air Force photo by Senior Airman Sergio A. Gamboa

Air Power

Two CH-47F Chinook helicopters take off en route to retrieve air assault troops to prepare for an air assault mission as part of Trident Juncture 2015, a NATO exercise, in Zaragoza, Spain, Nov. 3, 2015. The helicopters are assigned to Company H, 1st Battalion, 214th Aviation Regiment, 12th Combat Aviation Brigade. U.S. Army photo by Sgt. Thomas Mort

Refueling Resolve

U.S airmen deliver fuel to support Operation Inherent Resolve on coalition bases in Iraq, Dec. 16, 2015. The mission is the coalition intervention against the Islamic State of Iraq and the Levant, or ISIL. U.S. Air Force photo by Tech. Sgt. Nathan Lipscomb

Checkered Flag

Airmen perform maintenance on a T-38 Talon, an F-35 Lightning II, an F-16 Fighting Falcon and an F-22 Raptor on the flightline during the Checkered Flag 16-1 exercise on Tyndall Air Force Base, Fla., Dec. 17, 2015. U.S. Air Force photo by Senior Airman Sergio A. Gamboa