Looking Back On The Challenger Explosion 35 Years Later | NBC Nightly News
35 years after the Space Shuttle Challenger exploded, killing all seven crew members, Lester Holt looks back on that tragic day as America prepares for a new era of space…
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35 years after the Space Shuttle Challenger exploded, killing all seven crew members, Lester Holt looks back on that tragic day as America prepares for a new era of space…