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 Deadstick stage of the Normandy invasion, the decision was made to land the 6th Airborne Division (Major-General Richard Gale) on the left flank of the invasion beaches between the River Orne and the River Dives. Their primary objective was to capture the two road bridges over the River Orne and the Caen Canal and prevent a German flanking attack on the landing area. Failure to capture the bridges would leave the 6th Airborne Division cut off in enemy territory, so the 5th Parachute Brigade were earmarked to defend the bridges against counter-attacks. Gale decided that the only way to capture the