Paul Marcello, 28th Bomb Wing historian, revs his motorcycle with other participants during the 2013 Dakota Thunder Run on the flightline at Ellsworth Air Force Base, S.D., Aug. 6, 2013. More than 200 Airmen, family members and civilian motorcyclists participated in the 60-mile ride through the Black Hills and downtown Sturgis. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)