The Fall of Saigon, 1975 — When the Last Helicopter Left

April 29, 1975. The American ambassador to South Vietnam, Graham Martin, had spent the previous week assuring everyone that the situation was manageable. It wasn't.

By the time he finally authorized a full evacuation — Operation Frequent Wind — North Vietnamese forces were already in the outer suburbs of Saigon. The operation ran for nineteen hours, lifting 1,373 Americans and 5,595 South Vietnamese nationals from rooftop landing zones in the city. Hundreds of thousands of South Vietnamese who had worked with Americans were left behind.

## The Collapse Came Faster Than Anyone Expected

American intelligence assessments in early 1975 gave South Vietnam two years at minimum. In early March, North Vietnamese forces began the Central Highlands offensive. Ban Me Thuot fell on March 11. South Vietnamese President Nguyen Van Thieu made a catastrophic decision to withdraw from the Central Highlands, trying to consolidate forces. The withdrawal turned into a rout. Soldiers and civilians mixed on Highway 7B in chaotic retreat. The army collapsed rather than fell back.

Hue fell on March 25. Da Nang — with a population of 500,000 — fell on March 29. Communist forces had captured over half of South Vietnam in less than three weeks. The two-year estimate had been wrong by approximately 23.5 years.

## The Final Days in Saigon

The American evacuation planning was complicated by Ambassador Martin's psychological inability to accept the situation. He refused to allow premature evacuation planning because he feared it would trigger the very panic he was trying to prevent. CIA station chief Thomas Polgar warned repeatedly that the city would fall soon. Martin overruled him.

April 28: North Vietnamese aircraft — captured American A-37s flown by defected South Vietnamese pilots — bombed Tan Son Nhut airport. This closed the fixed-wing evacuation option. Now it would have to be helicopters only.

The signal to begin Operation Frequent Wind was broadcast over Saigon's American radio station at 10:51 AM on April 29: Bing Crosby's "White Christmas," followed by the announcement "The temperature is 105 degrees and rising." This was the prearranged code.

Over the next 19 hours, CH-46 Sea Knights and CH-53s flew 630 sorties from the carriers USS Midway, USS Hancock, and USS Okinawa. The image that became the symbol of the collapse — helicopters on a rooftop, civilians waiting on a ladder — was actually not the American Embassy but a CIA apartment building at 22 Gia Long Street.

Ambassador Martin was evacuated at 4:58 AM on April 30. He was the last American official to leave. Approximately 400 South Vietnamese nationals who had gathered inside the Embassy compound were left when the helicopters stopped coming.

## The Surrender

At 8:00 AM on April 30, acting South Vietnamese President Duong Van Minh — who had replaced Thieu — broadcast a message calling for a ceasefire and reconciliation with the North. North Vietnamese commanders rejected this. They weren't there to negotiate.

At 11:30 AM on April 30, a North Vietnamese T-54 tank crashed through the gates of the Presidential Palace. A North Vietnamese soldier climbed to the roof and raised the National Liberation Front flag.

The war had lasted twenty years if you date it from the First Indochina War. The United States had been directly involved for a decade. 58,220 Americans were killed. Estimates of Vietnamese dead range from 1.5 to 3.8 million, North and South combined.

## What Came After

The reunification of Vietnam under communist rule was declared on July 2, 1976. It was not gentle. An estimated 200,000–300,000 South Vietnamese military and government personnel were sent to "re-education camps." Many died there. Between 1975 and 1995, approximately 800,000 Vietnamese fled the country by sea — the "boat people." An estimated 200,000–400,000 died at sea, from storms, drowning, and pirates.

The first major wave of Vietnamese refugees to the United States — approximately 130,000 — arrived in 1975. Today, roughly 2.1 million Vietnamese Americans live in the United States.

Vietnam normalized relations with the United States in 1995, twenty years after the fall of Saigon. The American Embassy in Hanoi opened that same year. Today Vietnam is one of the fastest-growing economies in Southeast Asia, with significant foreign direct investment from the United States, Japan, and South Korea.

History rarely has clean endings.

The Fall of Saigon, 1975 — When the Last Helicopter Left

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