Today in the history of astronomy, a space program workhorse takes flight.
Discovery‘s launchpad abort was the first since 1965’s Gemini VI-A. Credit: NASA
- NASA’s Space Shuttle Discovery, the program’s third orbiter, experienced significant pre-launch setbacks including thermal shield flaws and multiple aborted launch attempts due to computer and engine malfunctions.
- Initial launch attempts were delayed or aborted in June and July 1984 due to identified technical issues necessitating repairs and software updates.
- Discovery successfully launched on August 30, 1984, commencing a 27-year operational lifespan.
- During its operational life, Discovery participated in pivotal missions including International Space Station construction and resupply, Hubble Space Telescope deployment, and Mir Space Station visits, ultimately accumulating 149 million miles of flight.
The third member of NASA’s space shuttle program, Discovery had a fraught journey to its launch. First, a test in June of 1984 found a flaw in the thermal shield; then a launch scheduled for later the same month was delayed due to a computer failure. Attempt No. 2 was halted only four seconds before lifting off, when the computer registered a problem with one of the engines. Once the engine had been replaced, a third launch attempt was scheduled and then scratched due to a software problem. Finally, on Aug. 30, 1984, Discovery blasted off, beginning a 27-year-career – it would become the most-flown orbiter in NASA’s fleet. During that long lifetime, Discovery took part in construction and supplying of the International Space Station, launched the Hubble Space Telescope, and flew two missions to the Mir Space Station. By the time it was retired after its final mission, in 2011, it had flown 149 million miles.
