101st Airborne Division 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 Allied military operation under Field Marshal Bernard Montgomery, commander of the Anglo-Canadian 21st Army Group, to capture Dutch bridges over the Rhine fought in the Netherlands and the largest airborne operation of
XVIII Airborne Corps Western Allied invasion of Germany, the XVIII Airborne Corps, still under Ridgway, returned to the United States in June 1945 and was initially to take part in the invasion of Japan, codenamed Operation Downfall. However, the Japanese surrendered just weeks later and XVIII Airborne Corps was inactivated on 15 October 1945 at Fort Campbell, Kentucky. The CORPS was reactivated at Fort Bragg on 21 May 1951 under the command of Major General John W. Leonard. Since then, the corps has been the primary strategic response force, with subordinate units participating in over a dozen major operations (listed below) in both