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
Operation Berlin (Arnhem) Siegfried Line and advance into the Ruhr, Germany’s industrial heartland. The operation required the 1st British Airborne Division and the American 82nd and 101st Airborne Divisions to seize several bridges over rivers and canals in the Netherlands, the main target being the bridge at Arnhem. This would allow General Brian Horrocks' XXX Corps to advance approximately 30 miles up an 'airborne corridor' to relieve the 10,095 men flown into Arnhem, charged to capture and hold the bridge over the lower Rhine and so enable the Allied forces to advance into the Ruhr valley. They were told they would be relieved