Tech. Sgt. Gabriell Vieira, Ranger Assessment Course student, learns about land navigation during training near Schofield Barracks, Oahu, Hawaii, May 13, 2019. Twenty-three Airmen from across the Air Force recently converged on a training camp for a three-week Ranger Assessment Course near Schofield Barracks, May 12-31, 2019. The purpose of the 19-day course is to prepare, assess and evaluate Air Force candidates for Army Ranger School. (U.S. Air Force photo by Staff Sgt. Hailey Haux)