A U.S. Air Force crew chief signals Lt. Col. Christian Bergtholdt, 27th Fighter Squadron director of operations, as he taxis on the flightline at Joint Base Langley-Eustis, Virginia, Oct. 19, 2017. During the six-month deployment, U.S. Air Force F-22 Raptors and U.S. Air Force Airmen from the 1st Fighter Wing supported the fight against the Islamic State in Iraq and Syria. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)

U.S. Air Force Lt. Col. Christian Bergtholdt, 27th Fighter Squadron director of operations, embraces his children upon returning to Joint Base Langley-Eustis, Virginia, Oct. 19, 2017. Bergtholdt, returned to JBLE after a six-month deployment to the Middle East. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)

U.S. Air Force Lt. Col. Christian Bergtholdt, 27th Fighter Squadron director of operations, taxis on the flightline at Joint Base Langley-Eustis, Virginia, Oct. 19, 2017. He returned from a deployment to the Middle East, where U.S. Air Force F-22 Raptors and U.S. Air Force Airmen from the 1st Fighter Wing supported Operation Inherent Resolve. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)

U.S. Air Force Lt. Col. Christian Bergtholdt, 27th Fighter Squadron director of operations, embraces his children upon returning to Joint Base Langley-Eustis, Virginia, Oct. 19, 2017. Bergtholdt, returned to JBLE after a six-month deployment to the Middle East. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)