mission report of Operation Shuttle Establishment of the Eighth AirForce in the UnitedKingdom (页面存档备份,存于互联网档案馆) The Ruhr – one of the main target of the
Guadalcanal to Saipan, August 1942 to July 1944. The Army Air Forces in World War II. U.S. Office of AirForce History. [October 20, 2006]. (原始内容存档于2006-11-26)