Military history of the United Kingdom during World War II allowed them to be withdrawn from the line and redeployed to Greece where they were urgently needed to help quell the civil war. Montgomery and Eisenhower had long been debating the merits of a broad front attack strategy versus concentrating power in one area and punching through German lines. Eisenhower favoured the former, and Montgomery the latter. However, in late 1944, logistic problems meant that the former was temporarily out of the question. Montgomery conceived Operation Market Garden to implement a narrow front strategy. The idea was to land airborne forces in the Netherlands to take vital bridges over the
17th Airborne Division (United States) was inserted into the plans for the operation to support the amphibious assaults that would take place, which was code-named Operation Varsity. Three airborne divisions were initially chosen to take part in Varsity, these being the British 6th Airborne Division, the U.S. 13th Airborne Division and the 17th Airborne Division, all of which were assigned to the U.S. XVIII Airborne Corps. However, as planning for Operation Varsity began, it soon became obvious that there was a lack of suitable transport aircraft to transport all three airborne divisions. As such the 13th Airborne Division was dropped from the operational plan, primarily