17th Airborne Division (United States) Standish on 12 August 1944 before departing Boston Port of Embarkation on 20 August 1944. The 17th Airborne Division arrived in the United Kingdom on 26 August. Once in Britain the division was attached to U.S. XVIII Airborne Corps, under Major General Matthew Ridgway, which commanded all American airborne formations, and which in turn became part of the First Allied Airborne Army when it was formed on 21 August, under the command of Lieutenant General Lewis H. Brereton. Although attached to XVIII Airborne Corps, the division was not chosen to participate in Operation Market Garden, a large-scale airborne operation intended
Operation Varsity Lippe Canal. To ensure that the operation was a success, Montgomery insisted that an airborne component be inserted into the plans for the operation, to support the amphibious assaults that would take place; this was code-named Operation Varsity. Three airborne divisions were initially chosen to participate in the operation, these being the British 6th Airborne Division, the U.S. 13th Airborne Division and the U.S. 17th Airborne Division, all of which were assigned to U.S. XVIII Airborne Corps, commanded by Major General Matthew B. Ridgway. One of these airborne formations, the British 6th Airborne Division, commanded by Major-General Eric Bols, was