OTD…Final launch of Endeavour five years ago

#OTD in 1982 the 3rd launch of the space shuttle and in 1996 the 3rd Mir docking missioN

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

A series of unprecedented back-to-back test-firings of a rocket engine originally developed for NASA’s space shuttle concluded earlier this month, giving engineers data crucial to achieving rapid 24-hour turnarounds planned for a U.S. military-funded reusable winged booster under construction at Boeing, government and industry officials said.