US commemorates 30th anniversary of Challenger Space Shuttle disaster

(CNN) — Much like the assassination of President John F. Kennedy, or the morning of September 11, 2001, most Americans remember where they were when they heard the news of the Challenger disaster. It was NASA's first in-flight tragedy. Challenger 

28, 1986, are seared into the memories of former schoolchildren, teachers, parents and pretty much any American now older than 30 — the Challenger space shuttle, meant to carry school teacher Christa McAuliffe into orbit, reduced to a snaky tunnel of 

The U.S. is marking the 30th anniversary of the Challenger disaster, the post-launch explosion of the Challenger space shuttle which killed all seven people on board including schoolteacher, Christa McAuliffe. Rough Cut – Subtitled (no reporter narration).

28, 1986, are seared into the memories of former schoolchildren, teachers, parents and pretty much any American now older than 30 — the Challenger space shuttle, meant to carry school teacher Christa McAuliffe into orbit, reduced to a snaky tunnel of 

NASA is well acquainted with the dangers of sending humans to outer space. Thirty years ago today, its Challenger shuttle exploded shortly after takeoff, claiming seven lives in a tragedy broadcast on TV to stunned Americans. In the video above, NASA