James Bower, son of Doolittle Raider Col. Bill Bower, talks to Airmen assigned to the 28th Aircraft Maintenance Squadron during a tour on the flightline at Ellsworth Air Force Base, S.D., April 18, 2014. The base is home to three of the four original units that conducted the historic raid – the 34th Bomb Squadron, 37th BS, and the 432nd Attack Squadron. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)