U.S. Air Force Airman 1st Class Landon tests an Identification Friend-or-Foe transponder on an MQ-9 Reaper with Gorgon Stare before a sortie on Kandahar Airfield, Afghanistan, Dec. 5, 2015. Landon is an aircraft specialist assigned to the 62nd Expeditionary Reconnaissance Squadron. U.S. Air Force photo by Tech. Sgt. Robert Cloys