On 8 March 1965, two battalions of U.S. Marines waded ashore on the beaches at Danang. Those 3,500 soldiers were the first combat troops the United States had dispatched to South Vietnam to support the Saigon government in its effort to defeat an increasingly lethal Communist insurgency. Their mission was to protect an air base the Americans were using for a series of bombing raids they had recently conducted on North Vietnam, which had been supplying the insurgents with ever larger amounts of military aid. The raids were the first in what would become a three-year program of sustained bombing targeting sites north of the seventeenth parallel; the troops were the first in what would become a three-year escalation of U.S. military personnel fighting a counterinsurgency below the seventeenth parallel. Together, they Americanized a war the Vietnamese had been fighting for a generation
