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Hal Laning: The Man You Didn’t Know Saved Apollo 11

23 May 2019, 17:00 UTC
Hal Laning: The Man You Didn’t Know Saved Apollo 11 NASA

In the final minutes of Apollo 11’s descent to the lunar surface, five 1201 and 1202 alarms blared in the lunar module. The computer was overloaded with data, and for a brief moment it looked like Neil Armstrong and Buzz Aldrin wouldn’t land on the Moon. As we know, they did; Apollo 11 got a GO to land in spite of the alarms. What we don’t know is the man whose work allowed the crew reboot the computer and save the landing: Hal Laning. 

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