Second Army (United Kingdom) of the country. Its captures included the capital Brussels and the port city of Antwerp. Second Army's highest profile operation in 1944, apart from Operation Overlord, was providing the main force for Operation Market Garden. During the operation, American (82nd and 101st), British (1st) and Polish (1st Polish Parachute Brigade) airborne troops, outside the control of Second Army, were landed to capture vital bridges over several rivers in the east of the Netherlands, in order to allow Second Army's XXX Corps to cross the Rhine and advance into Germany, relieving the parachute troops en route. However, the single road XXX
First Allied Airborne Army when a major offensive was launched by the Germans on the orders of Adolf Hitler; on 16 December 1944 Operation ""Watch on the Rhine" began, with three German armies attacking through the Ardennes, hundreds of thousands of German troops and tanks breaking through Allied line on the American sector. The operation took the Allied forces completely by surprise, and several units under the command of First Allied Airborne Army became involved in the Allied attempt to first halt, and then repel the offensive; these units were principally the 101st Airborne Division, 82nd Airborne Division and the 6th Airborne Division. With