U. S. Air Force Staff Sgt. Greg Chmielewski , 354th Security Forces Squadron combat arms instructor, offers shooting advice while using the engagement skills trainer at the Combat Arms Training Range, July 9, 2013, Eielson Air Force Base, Alaska. After completing classroom training, Airmen have the opportunity to hone their shooting skills using an engagement skills trainer, which save money on live ammunition. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)