OTD…Sept. 19 and Endeavour retirement

#OTD in 2006…A star-spangled start to Discovery’s STS-121 mission

A five-week, 5,000-mile sea trek of the last space shuttle external fuel tank pulled into port today for a parade through the urban jungle of Southern California on Saturday to its final destination.

#OTD in 2012…Shuttle reaches retirement roost in sunny SoCal