OTD…April 17 and STS-90

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…Launch of Endeavour in 2001 to deliver Canadarm2 to the space station

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