https://www.nasa.gov/feature/40-years-ago-the-countdown-begins-for-sts-1-first-launch-attempt-scrubbed
STS-1 finally Launched on 12APR1981, 40 years ago.
https://www.nasa.gov/feature/40-years-ago-the-countdown-begins-for-sts-1-first-launch-attempt-scrubbed
STS-1 finally Launched on 12APR1981, 40 years ago.