First Allied Airborne Army divisions were initially chosen to take part in Varsity: the British 6th Airborne Division, the US 13th Airborne Division and the US 17th Airborne Division, all of which were assigned to US XVIII Airborne Corps. One of these airborne formations, the British 6th Airborne Division, was a veteran division; it had taken part in Operation Overlord and the assault on Normandy. However, the 17th Airborne Division had only been activated in April 1943 and had arrived in Britain in August 1944, too late to participate in Operation Overlord. The division had also been absent from Operation Market-Garden, and the only
Operation Deadstick assault force was relieved by commandos and infantry advancing from the British landing zone. The mission was vital to the success of Operation Tonga, the overall British airborne landings in Normandy. Failure to capture the bridges intact, or to prevent their demolition by the Germans, would leave the British 6th Airborne Division cut off from the rest of the Allied armies with their backs to the two waterways. If the Germans retained control over the bridges, they could be used by their armoured divisions to attack the landing beaches of Normandië Responsibility for the operation fell to the members of