OTD…June 2 and STS-91

#OTD in 1991…Atlantis launched another of NASA’s Tracking and Data Relay Satellites

#OTD in 2005…Discovery launched on the first space shuttle mission after the Columbia tragedy

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.