MCGHEE TYSON AIR NATIONAL GUARD BASE, Tenn. - Master Sgt. Clifton Boswell, class instructor, reviews and critiques recorded broadcasts with students April 14, 2015, during the on-camera instructors&#39; course at the I.G. Brown Training and Education Center television studios.  (U.S. Air National Guard photo by Master Sgt. Mike R. Smith/Released)