Doolittle Departure A U.S. Army Air Force B-25B Mitchell medium bomber, one of 16 involved in the Doolittle Raid, takes off from the flight deck of the USS Hornet for an air raid on Japan, April 18, 1942. SHARE: Download: Full Size (0.45 MB) Tags: World War II, Army Credit: U.S. Army Air Force VIRIN: 420418-O-ZZ999-001.JPG Photo Gallery