Guardian Angels go nocturnal Published Nov. 23, 2016 By Staff Sgt. Katherine Spessa 455th Air Expeditionary Wing BAGRAM AIRFIELD, Afghanistan -- An 83rd Expeditionary Rescue Squadron pararescueman, fires an M-4 Carbine rifle during night firing drills Nov. 18, 2016 at Bagram Airfield, Afghanistan. Pararescuemen, often referred to as “Guardian Angels” are tasked with recovery and medical treatment of personnel in any type of environment. Those deployed to Bagram are responsible for combat rescue missions within the Afghan theater. (U.S. Air Force photo by Staff Sgt. Katherine Spessa)