 The U.S. 82nd Airborne Division, under Major General James M. Gavin, at Grave required two lifts while the British 1st Airborne Division, under Major-General Roy Urquhart, at Arnhem would need three lifts.Whereas the two American divisions delivered at least three-quarters of their infantry in their first lift, the 1st Airborne's similar drop used only half its capacity for infantry and the remainder to deliver vehicles and artillery.The 1st Airborne Division had the required airlift capacity to deliver all three parachute brigades with their glider-borne anti-tank weapons or two of the parachute brigades and the airlanding brigade on day one.