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STS-51L

space shuttle mission

Learn about this topic in these articles:

“Challenger” disaster

  • Challenger explosion, 1986
    In Challenger disaster

    …primary goal of shuttle mission 51-L was to launch the second Tracking and Data Relay Satellite (TDRS-B). It also carried the Spartan Halley spacecraft, a small satellite that was to be released by Challenger and picked up two days later after observing Halley’s Comet during its closest approach to the…

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  • Ronald McNair.
    In Ronald McNair

    McNair was assigned to the STS-51L mission of the space shuttle Challenger in January 1985. The primary goal of the mission was to launch the second Tracking and Data Relay Satellite (TDRS-B). It also carried the Spartan Halley spacecraft, a small satellite that McNair, along with mission specialist Judith Resnik,…

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