This photo provided by NASA shows the crew of the Space Shuttle Challenger mission 51L. All seven members of the crew were killed when the shuttle exploded during launch on Jan. 28, 1986. Front row from left are Michael J. Smith, Francis R. (Dick) Scobee, and Ronald E. McNair. Back row from left are Ellison Onizuka, Christa McAuliffe, Gregory Jarvis, and Judith Resnik.
In this Jan. 28, 1986 photo, the space shuttle Challenger lifts off from the Kennedy Space Center in Cape Canaveral, Fla.
The space shuttle Challenger explodes shortly after lifting off from the Kennedy Space Center in Cape Canaveral, Fla.
Spectators at the Kennedy Space Center in Cape Canaveral, Fla. react in 1986 after they witnessed the explosion of the space shuttle Challenger.
The crew members of space shuttle Challenger flight 51-L, leave their quarters for the launch pad at Kennedy Space Center in Cape Canaveral, Fla. From foreground are commander Francis Scobee, Mission Spl. Judith Resnik, Mission Spl. Ronald McNair, Payload Spl. Gregory Jarvis, Mission Spl. Ellison Onizuka, teacher Christa McAuliffe and pilot Michael Smith.
President Ronald Reagan in the Oval Office of the White House after a Jan. 28, 1986 televised address to the nation about the space shuttle Challenger explosion.
A family from Michigan watches the explosion from Shepard Park in Cocoa Beach in this photo series that shows the fate of the Challenger.
A display in the lobby of Christa McAuliffe Middle School in Bay County’s Bangor Township, Michigan, honors the teacher-astronaut who died in the Challenger explosion 30 years ago.
Bob Kelley shows a video at the Scobee Education Center planetarium at San Antonio College following a ceremony to honor the lives of the seven crew members of Challenger shuttle flight STS-51L on the 30th anniversary of the 1986 tragedy.
June Scobee Rodgers, widow of Dick Scobee, commander of space shuttle Challenger, speaks in front of the Space Mirror Memorial during a remembrance ceremony to mark the 25th Anniversary of space shuttle Challenger in this Jan. 28, 2011 file photo. . On the memorial behind her are the names of the astronauts that perished aboard Challenger.
Newspapers from 30 years ago documenting the Challenger explosion hang in Jennifer Gradowski's eighth grade classroom at Christa McAuliffe Middle School in Bangor Township, Mich.
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