NASA History: Challenger space shuttle explosion kills 7

Remembering the 1986 Challenger disaster

On Jan. 28, 1986, seven astronauts were killed when the Challenger space shuttle exploded shortly after launch. Decades later, it remains a solemn anniversary for the space community.

Among those on board was New Hampshire high school teacher Christa McAuliffe, who had been chosen by NASA to be the first teacher in space. She was going to work on the crew as a payload specialist. The other six crew members were payload specialist Gregory Jarvis, mission specialist Judith A. Resnik, mission commander Francis R. (Dick) Scobee, mission specialist Ronald E. McNair, pilot Mike J. Smith and mission specialist Ellison S. Onizuka.
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The Space Shuttle Challenger heads into a fog bank as it rolls towards pad 39-Anone

After creating a huge cloud of smoke the Space Shuttle Challenger lifts off from the Kennedy Space Centernone

Teacher Christa McAuliffe preparing for the missionnone

The Challenger is making its final journey this week as workers transport the debris recovered after the January 28, 1986 disasterif necessary. (AP Photo/James Neihouse)none

The crew for the Space Shuttle Challenger flight 51-L leaves their quarters for the launch padnone

In this Jan. 28, 1986 picture, two unidentified spectators at the Kennedy Space Centernone

Concord, New Hampshire, storeowner Barry Dixon tapes a sign to the outside of his business, Jan. 29, 1986 in tributenone

This is the official NASA photo of the crew of the Space Shuttle Challengernone

In this 1985 photo, high school teacher Christa McAuliffe rides with her children Caroline, left, and Scott during a parade down Main Street in Concord, N.H.none

The shuttle took off just before noon from the Kennedy Space Center near Cape Canaveral, Florida. Americans watched from the ground below and on televisions around the country. Many of them were schoolchildren, who had high interest in the launch because of McAuliffe.

After launch, a booster engine broke apart, according to NASA. Just 73 seconds into the flight, the space shuttle exploded in midair, breaking apart.

It has been a subject of dispute whether all seven astronauts died from the explosion or whether some of them may have been alive until they fell to the ground. It was the first time NASA lost an astronaut during a flight.
That night, President Ronald Reagan addressed the American people. After expressing condolences to the families of those killed, he reflected on the country's space exploration.
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"We've grown used to the idea of space, and perhaps we forget that we've only just begun. We're still pioneers. They, the members of the Challenger crew, were pioneers," he said.

He continued to address the schoolchildren who had been watching, telling them that tragedy is sometimes part of the process of expanding our horizons.

"The future doesn't belong to the faint-hearted. It belongs to the brave," he said. "The Challenger crew was pulling us into the future, and we'll continue to follow them."

NASA observes a Day of Remembrance on Jan. 28 for more than one somber anniversary. It also remembers those who died in the Apollo 1 and Columbia accidents. The Apollo 1 fire that killed three was on Jan. 27, 1967, while the Columbia explosion that killed seven happened on Feb. 1, 2003.

RELATED: Remembering Apollo 1

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