OTD…Oct. 23 and STS-120

#OTD in 1989, Discovery launched a new Tracking and Data Relay Satellite

#OTD…Launch of Columbia in 1993 on the second flight of the German Spacelab

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.