U.S. Air Force Staff Sgt. Kyle Bone, 963th Airborne Air Control Squadron, reviews Combat Survivor Evader Locator radio training in order to portray a downed pilot during a combat search and rescue mission as part of the U.S. Air Force Weapons School on Nellis Air Force Base, Nev., May 17, 2012. The Air Force Weapons School is a five-and-a-half-month training course which provides selected officers with the most advanced training in weapons and tactics employment. Throughout the course, students receive an average of 400 hours of post-graduate-level academics and participate in demanding combat training missions.