During the Cold War, Vietnam showed the limitations of a major power in peripheral conflicts. Even so, the military forces involved (North Vietnamese, South Vietnamese, American, and Allied) demonstrated battlefield consistency in conflict that gave credit to them all.By early 1972, Nixon''s policy of "Vietnamization" was well underway: South Vietnamese forces had begun to assume greater military responsibility for defense against the North, and US troops were well into their drawdown, with some 25,000 personnel still present in the South. When North Vietnam launched its massive Easter Offensive against the South in late March 1972 (the first invasion effort since the Tet Offensive of 1968), its scale and ferocity caught the US high command off balance. The inexperienced South Vietnamese soldiers manning the area south of Vietnamese Demilitarized Zone in former US bases, plus the US Army and Marines Corps advisors and forces present, had to counter a massive conventional combine
