OTD…April 19 and STS-100

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 2012…Crowds cheer as Endeavour traverses though Los Angeles

#OTD in 1989…Columbia launched with a classified communications satellite for the Defense Department