Lights out: Air Commandos sharpen skills after sunset
U.S. Air Force Air Commandos use night vision goggles to survey an area Oct. 9, 2014, during a training mission at Stanford Training Area near Thetford, England. During the training mission, Air Commandos searched for simulated potential threats and rescued simulated hostages in the training area. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony/Released)