History of the 101st Airborne Division delegated the task to Col. Sink, who issued orders for the 1st Battalion 401st Glider Infantry to lead three battalions south the next morning. As the regular troops moved in from the coast and strengthened the paratrooper positions, many were relieved and sent to the rear to organize for the next big paratroop operation. On 17 September 1944, the 101st Airborne Division became part of XVIII Airborne Corps, under Major General Matthew Ridgway, part of the First Allied Airborne Army, commanded by Lieutenant General Lewis H. Brereton. The division took part in Operation Market Garden (17–25 September 1944), an unsuccessful
Operation Tonga A provisional target date of May 1944 was set with the code-name 'Overlord' decided upon. A joint Anglo-American planning staff was created under Lieutenant-General Frederick E. Morgan, who was given the title of Chief of Staff to the Supreme Allied Commander (COSSAC). Early drafts of Overlord called for the commitment of airborne forces to support the ground forces and protect their landing areas. Operation Skyscraper, for example, called for the deployment of two airborne divisions to support the beach landings that would be made by five infantry divisions. One airborne division would land near Caen, and another on the east