Following the November 1979 seizure of the US embassy in Tehran by Iranian revolutionary students, who took 52 American diplomats and citizens hostage in the aftermath of the Iranian Revolution, the crisis dragged on for over a year through failed diplomatic efforts, becoming a defining, politically damaging feature of President Jimmy Carter's final year in office. In April 1980, the US military launched Operation Eagle Claw, a complex mission involving helicopters launched from an aircraft carrier and fixed-wing aircraft staging through a remote desert location inside Iran, intended to fly a rescue team into Tehran to free the hostages directly.
The mission failed before reaching Tehran at all: mechanical failures reduced the available helicopter fleet below the minimum considered necessary to proceed, and during the subsequent withdrawal at the desert staging site, a helicopter collided with a C-130 transport aircraft, causing an explosion that killed eight American servicemen. The mission was aborted, and the wreckage and remains were left behind in the Iranian desert, subsequently displayed by Iranian state media as a profound propaganda victory and embarrassment for the United States. The hostages were ultimately released after 444 days in captivity, on the very day President Carter left office in January 1981, following prolonged negotiations rather than military action — a resolution widely regarded by historians as timed partly to deny Carter the political benefit of their release before the end of his presidency, which he had already lost to Ronald Reagan in the November 1980 election, an election in which the ongoing, unresolved hostage crisis is generally considered to have significantly damaged Carter's re-election prospects.