Angelo Hallenback, Junior Reserve Officer Training Corps cadet, receives assistance from U.S. Army ROTC instructors Jan. 25, 2013, at Nellis Air Force Base, Nev. U.S. Army ROTC instructors teamed with Nellis Airmen to provide a day-in-the-life experience of active duty military. (U.S. Air Force photo/Senior Airman Brett Clashman)