U.S. Marine Corps Sgt. Maj. Bryan Battaglia, the senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speaks to Airman Leadership School and First Term Airman Course students about his accomplishments throughout his career at Nellis Air Force Base, Nev., July 10, 2012. During Operation Iraqi Freedom, he served as the sergeant major for the Regimental Combat Team 8 whose mission is to locate and destroy the enemy by fire and maneuver or repel the enemy's assault with fire and close combat. (U.S. Air Force photo/Airman 1st Class Jason Couillard)