Nnicolas, a narcotics detection Military Working Dog, leaps out of a helicopter with his handler, Staff Sgt. Brian Turney, 28th Security Forces Squadron MWD handler, during a day of training in the outskirts of Rapid City, S.D., July 17, 2014. Helicopter training is one of many types of training MWDs go through to ensure canine teams are prepared to execute their mission in a wide-range of operational environments. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/ Released)