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
501st Infantry Regiment (United States) citation for their action in Normandy. They were briefed on several planned air assaults into France, each aborted when the allies overran planned objectives. In the early fall of 1944 they began preparing for an airborne assault into the occupied Netherlands. Code-named "Market Garden," it combined a deep airborne thrust through the west of the Netherlands by the 1st Allied Airborne Army, with an overland drive by the British 2nd Army. The plan visualized airborne forces seizing key bridges over rivers and canals so 2nd Army could move very deep and fast over a distance of more than , past