G.I. movement

The G.I. movement was the resistance to military involvement in the Vietnam War from active duty soldiers in the United States military. Within the military popular forms of resistance included combat refusals, fragging, and desertion. By the end of the war at least 450 officers were killed in fraggings, or about 250 from 1969–1971, over 300 refused to engage in combat and approximately 50,000 American servicemen deserted. Along with resistance inside the U.S. military, civilians opened up various G.I. coffeehouses near military bases where civilians could meet with soldiers and could discuss and cooperate in the anti-war movement.

Early movement (1964–1967)
The early period of soldier resistance to the Vietnam War involved mainly individual acts of resistance. Some well publicized incidents occurred in this period. The first incident was in November 1965 when Lt. Henry H. Howe, Jr was court martialed for legally participating in an antiwar demonstration, while off-duty and out of uniform, in El Paso. In 1966, another incident occurred where three soldiers in Fort Hood refused deployment to Vietnam and were reprimanded, gaining the attention of anti-war activists. Later Capt. Howard Levy, a dermatologist, was punished for refusing to train Green Beret medics being sent to Vietnam.

Growing protests (1968)
In 1968 more collective acts of resistance would take place inside the U.S. military. Many servicemen fled the military and took sanctuary in various churches and universities. Many veterans and servicemen began involving themselves in anti-war marches, and rebellions in military stockades.

At the Presidio of San Francisco a protest was staged by servicemen after another soldier was shot for walking away from a work detail. During the protest a group of AWOL soldiers returned to base to join the demonstration. They were arrested and put into the stockade where they convinced other imprisoned troops to stage another protest.

Later dissent (1969–1972)
Demonstrations inside and outside the army were being conducted by servicemen. More dissident soldiers began to oppose racism felt in the United States, its military, and draft policy. By June 1971, Colonel Robert Heinl declared that the army in Vietnam was "dispirited where not near mutinous" in an article in Armed Forces Journal.

Civilian assistance organizations

 * Beheiren

Deserters' and veterans' organizations

 * American Deserters Committee
 * Vietnam Veterans Against the War

Servicemen's organizations

 * American Servicemen's Union
 * Concerned Officers Movement
 * GI's Against Fascism
 * Movement for a Democratic Military
 * Stop Our Ship (SOS)