The 1st Cavalry Division fought in the . No longer a conventional unit, the division had become an division as the 1st Cavalry Division (Airmobile), commonly referred to as the 1st Air Cavalry Division. The use of helicopters on such large scale as troop carriers, cargo lift ships, medevacs, and as aerial rocket artillery, was never before implemented, but by doing so it freed the infantry from the tyranny of terrain to attack the enemy at the time and place of its choosing. I