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Extended Operating System
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Emergency Oxygen Supply
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Earth Observation Satellite
in NASA
Emergency Oxygen System
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Earth Orbit Shuttle
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Earth Observing System
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Similar to EOS
ACE - Advanced Composition Explorer
ACE - Apollo Checkout Equipment
ACES - Acoustic Containerless Experiment System
ACF - Auto- Correlation Function
ACFS - Advanced Concepts Flight Simulator
ACFY - After the Current Fiscal Year
ACIO - Agency Chief Information Officer
View all in NASA