U.S. Air Force Major Nathan Hagerman, a C-17 Globemaster III pilot instructor with the U.S. Air Force Weapons School, reviews charts during a flight with weapons school students on Nellis Air Force Base, Nev., May 9, 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 graduate-level academics and participate in demanding combat training missions.