Space shuttle program astronauts, NASA officials and family members will commemorate the Challenger disaster that occurred 25 years ago Friday. The Challenger accident led to several changes in the US space shuttle program.
Cape Canaveral, Florida
Twenty-five years ago, seven astronauts died aboard space shuttle Challenger when it exploded shortly after liftoff.
Rodgers was instrumental in establishing the Challenger Center for Space Science Education.
The ceremony will take place at the Space Mirror Memorial, a granite monument bearing the names of all 24 astronauts who have died in the line of duty.
IN PICTURES: Challenger 25th anniversary