OTD…April 28 and STS-39

#OTD…America’s first shuttle launch in 1981 and another in 1985

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.

#OTD in 1994…Columbia launched on a Spacelab microgravity flight