U.S. Air Force Staff Sgt. Karl Ackerman, 113th Air Support Operation Squadron, 181st Intelligence Wing, Indiana Air National Guard mounts night vision device to his helmet, while preparing his personal gear for upcoming deployment to Muscatatuck Urban Training Complex, Butlerville, Ind., Feb. 9, 2014. The 181st Intelligence Wing is crucial to the nation’s defense and domestic response. (U.S. National Guard photo by Senior Master Sgt. John S. Chapman/Released)