OTD…April 17 and STS-90

Mankind’s first landing on the Moon and stepping foot on the lunar surface occurred today in 1969 by Apollo 11 astronauts Neil Armstrong and Buzz Aldrin.

#OTD in 1988…Discovery returned Americans to space after the Challenger accident

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