 The 1st Cavalry Division was composed of three brigades with a total complement of eight battalions.The 1st Cavalry utilized the new tactic of relying on helicopters to transport soldiers and supplies, for medical evacuations and aerial rocket artillery.General Man had under his command the 32nd (or 320th) and 33rd Regiments, comprising about 4,200 men, with another regiment, the 66th, becoming available by early November.