Airmen assemble at the flightline to await the arrival of the Historic Flight Foundation’s B-25D Mitchell Bomber “Grumpy” in conjunction with the 70th anniversary of the famous Doolittle Raid at Ellsworth Air Force Base, S.D., April 20, 2012. The B-25 flew the same route used by the Army Air Corps to deliver aircraft during World War II for its return journey to Snohomish County Airport north of Seattle, Wash. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)