CC0 Usage Conditions ApplyClick for more information. Discovery was the third Space Shuttle orbiter to fly in space. It entered service in 1984 and retired from spaceflight as the oldest and most ...
The STS-51L mission clears the tower at Launch Complex 39B at NASA’s Kennedy Space Center in Florida on Jan. 28, 1986. Credit: NASA / Courtesy Sign up for the Concord Monitor’s morning newsletter for ...
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