OTD…Aug. 10 and STS-105

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

OTD in 1994…Endeavour experienced an on-pad abort due to a main engine problem during startup

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.