Vintage B-25 Mitchell aircraft arrive at the National Museum of the U.S. Air Force at Wright Patterson Air Force Base, Ohio, to take part in events honoring the 68th Doolittle Raiders' reunion, April 17, 2010. The event commemorated the anniversary of the Doolittle Tokyo Raid when on April 18, 1942, U.S. Army Air Forces Lt. Col. Jimmy Doolittle's squad of 16 B-25s bombed targets in response to the Japanese attack on Pearl Harbor. (U.S. Air Force photo/TSgt Jacob N. Bailey via Wikimedia Commons)
