OTD…Aug. 18 and STS-68 abort

#OTD in 2012…Crowds cheer as Endeavour traverses though Los Angeles

Dave Scott, Jim Irwin and Al Worden left for the Moon today in 1971 aboard Apollo 15 bound for Hadley rille with the first Lunar Roving Vehicle.

#OTD in 1995…Columbia launched on a microgravity science Spacelab flight