Space Shuttle mission STS-51-L was to be the 25th mission of the program. What made it special was to be lessons taught from space by a school teacher. On Jan. 28, 1986, 73 seconds after liftoff of the Space Shuttle Challenger, the crew and vehicle were lost. The commander for the flight was veteran astronaut Dick Scobee, an experienced test pilot who exhibited humility and admiration for his colleagues.
In the ten months since the arrival of the Space Shuttle Discovery at NASA’s Kennedy Space Center, the processing team was able to overcome numerous hurdles. The late August day dawned with clear skies on a hot summer day. The launch team and the astronaut crew were ready.
From the time the Space Shuttle Discovery first arrived at NASA’s Kennedy Space Center, preparations for the spacecraft’s maiden voyage poised many challenges for the team at the Florida spaceport. In spite of these issues, the new orbiter went on to fly a highly successful initial mission. Altogether, Discovery flew 39 times becoming the workhorse of the five-orbiter fleet.