#OTD Jan 28, 1986, Shuttle Challenger (STS-51L) launched at 11:38 am EST. 73 seconds later an explosion destroyed the shuttle. All 7 crew members - Dick Scobee, Mike Smith, Greg Jarvis, Judy Resnik, Ron McNair, Ellison Onizuka, & Christa McAuliffe - were killed.#NASARemembers pic.twitter.com/hxjID6dnpZ

— NASA History Office (@NASAhistory) January 28, 2018