Operation Varsity a veteran division; it had taken part in Operation Overlord, the assault on Normandy in June the previous year. However, the U.S. 17th Airborne Division, under Major General William Miley, had been activated only in April 1943 and had arrived in Britain in August 1944, too late to participate in Operation Overlord. The division did not participate in Operation Market Garden. It did, however, participate in the Ardennes campaign but had yet to take part in a combat drop. The U.S. 13th Airborne Division, under Major General Eldridge Chapman, had been activated in August 1943 and was transferred to France
American airborne landings in Normandy were changed to avoid overflying the peninsula in daylight. IX Troop Carrier Command (TCC) was formed in October 1943 to carry out the airborne assault mission in the invasion. Brigadier General Paul T. Williams, who had commanded the troop carrier operations in Sicily and Italy, took command in February 1944. The TCC command and staff officers were an excellent mix of combat veterans from those earlier assaults, and a few key officers were held over for continuity. The 14 groups assigned to IX TCC were a mixture of experience. Four had seen significant combat in the Twelfth Air Force. Four