That includes the Challenger’s crew of astronauts Michael ... The KSC ceremony was organized by the Astronauts Memorial ...

but the 18 other astronauts killed in the line of duty. NASA’s two shuttle accidents account for more than half of the names carved into the black granite of the Space Mirror Memorial ...

Thirty years ago on January 28, seven astronauts were killed when the Challenger space shuttle exploded just 73 seconds after launch. One of those seven astronauts was Christa McAuliffe.

Seventeen astronauts were lost in the Apollo 1 fire and the Challenger and Columbia space shuttle disasters. The crew of Apollo 1 during training in Florida in January 1967. From left, Virgil "Gus ...