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
Airborne forces reinforcement. In all, 3,500 paratroopers made the most concentrated mass night drop in history, providing the model for the American airborne landings in Normandy in June 1944. An additional drop on the night of September 14–15 of the 509th PIB to destroy a key bridge at Avellino, to disrupt German motorized movements, was badly dispersed and failed to destroy the bridge before the Germans withdrew to the north. In April 1945, Operation Herring, an Italian commando-style airborne drop aimed at disrupting German rear area communications and movement over key areas in Northern Italy, took place. However the Italian troops were