What was the worst disaster for the Space Shuttle?

The space shuttle program was retired in July 2011 after 135 missions, including the catastrophic failures of Challenger in 1986 and Columbia in 2003 that killed a total of 14 astronauts.Oct 11, 2021
How many astronauts have died flying a Space Shuttle?
- As of 2020, there have been 15 astronaut and 4 cosmonaut fatalities during spaceflight. Astronauts have also died while training for space missions, such as the Apollo 1 launch pad fire which killed an entire crew of three. There have also been some non-astronaut fatalities during spaceflight-related activities.
How many space shuttles have blown up?
- Two space shuttles have blown up. The Space Shuttle Challenger blew up in 1986 less than a minute and a half after launch. In 2003, the Space Shuttle Columbia exploded upon re-entry. In both accidents, all crew members died.
How many Space Shuttle accidents were there?
- 833: The total number of crewmembers of all 135 space shuttle missions, with some individuals riding multiple times and 14 astronauts killed during the Challenger and Columbia accidents. 789: The number of astronauts and cosmonauts who have returned to Earth on a NASA shuttle.


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