Lunar landing site
During the lunar module's final 12-minute powered descent to the surface, the astronauts and Mission Control back on Earth had to contend with some unsettling program alarms from the flight computers. Said Collins: "My checklist says [program alarm] 1202 is an 'executive overflow,' meaning simply that the computer has been called upon to do too many things at once and is forced to postpone some of them."
July 17, 2009 4:00 AM PDT
Photo by: NASA
| Caption by: Jonathan Skillings
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