OTD…May 15 and Faith 7

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

#OTD in 1996…Columbia launched on a life sciences and microgravity flight.

The flight of Gemini 4 launched today in 1965 for NASA’s first Extra Vehicular Activity spacewalk by Ed White on a four-day orbital mission with commander Jim McDivitt.