![STS-51L crewmembers photographed in flight suits with helmets during a break in astronaut training.](https://www.nasa.gov/wp-content/uploads/2023/03/722342main_challenger_full_full.jpg)
Remembering Space Shuttle Challenger
NASA lost seven of its own on the morning of Jan. 28, 1986, when a booster engine failed, causing the Shuttle Challenger to break apart just 73 seconds after launch. In this photo from Jan. 9, 1986, the Challenger crew takes a break during countdown training at NASA's Kennedy Space Center.
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https://www.nasa.gov/image-detail/remembering-space-shuttle-challenger-2/