On January 28, 1986, the Space Shuttle Challenger exploded after it was launched from Kennedy Space Center in Florida in just 73 seconds which claimed the lives of seven astronauts.
Today marks the 39th anniversary of the Space Shuttle Challenger disaster (Mission STS-51-L), when the shuttle's seven astronauts were killed by an explosion.
Joy McNair, left, daughter, Reginald McNair, son, and Cheryl McNair, wife, embrace under a statue of Lake City, S.C. astronaut Ron McNair at Ron McNair Memorial Park in ... Thirty-nine years ago, on ...