The history of XXI Bomber Command terminated on 16 July 1945.

Constituted as XXI Bomber Command on 1 Mar 1944, and activated the same day.

Its activity was to be seriously hampered by the XXI Bomber Command.

XXI Bomber Command's initial attacks against Japan were focused on the country's aircraft industry.

Four of XXI Bomber Command's next five raids were made against targets in Nagoya.

Several factors explain the poor results of XXI Bomber Command's precision bombing campaign.

XXI Bomber Command followed up the firebombing of Tokyo with similar raids against other major cities.

XXI Bomber Command began incendiary raids against small cities from 17 June.

This operation was judged a success, and set the pattern for XXI Bomber Command's firebombing attacks until the end of the war.

XXI Bomber Command also conducted an intensive propaganda campaign alongside its firebombing raids.