The 9th Airborne Division of the United States Army was a military deception created in 1944 as part of Fortitude South II The division was initially depicted as being under the direct command of Fourteenth United States Army with its headquarters located in Leicester, Leicestershire in June 1944. In the Pas de Calais landings it and the notional '21st Airborne Division' were to be dropped behind the US XXXVII Corps beachheads. In August 1944 it was notionally transferred to the direct command of First United States Army Group.