OTD…April 17 and STS-90

Dave Scott, Jim Irwin and Al Worden left for the Moon today in 1971 aboard Apollo 15 bound for Hadley rille with the first Lunar Roving Vehicle.

#OTD in 1993…Endeavour launched a new NASA Tracking and Data Relay Satellite.

#OTD in 1983…Challenger launched with America’s first woman astronaut. Watch the launch: