OTD…Jan. 28 and STS-51L

#OTD in 1990…Columbia launched to retrieve NASA’s Long duration Exposure Facility (LDEF) on the longest Shuttle flight to date.

#OTD…The maiden launch of shuttle Endeavour in 1992 to rescue the Intelsat 603 satellite

A mission to service the Hubble Space Telescope blasted off on this date in 2002.