On This Date…Feb. 28

#OTD in 1997…Discovery launched to deploy and later retrieve the CRISTA-SPAS atmospheric research satellite

#OTD in 1985…Atlantis launched on her maiden voyage as a new orbiter joined the shuttle fleet

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.