Aviano Airmen participate in Army pre-Ranger physical assessment
U.S. Air Force Staff Sgt. R.J. Biermann, 31st Fighter Wing public affairs photojournalist, performs a chin up during an Army pre-Ranger physical assessment, Aug. 5, 2015 at Aviano Air Base, Italy. Biermann and several Aviano Airmen participated in the pre-Ranger course which included a 5-mile run, pushups, situps and chinups. (U.S. Air Force photo by Staff Sgt. Evelyn Chavez/Released)