OTD…May 11 and STS-125

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

#OTD…Launch of Discovery in 1990 with the Hubble Space Telescope, our window on the universe!

The U.S. launched its first man into space on this date, May 5, 1961, as Alan Shepard rode the Freedom 7 capsule on a 15-minute suborbital flight to 116.5 miles in altitude and 303 miles downrange to splashdown.