ET in NASA could mean:
Displaying 1-6 of 6 result(s).
Similar to ET
ACFS - Advanced Concepts Flight SimulatorACFY - After the Current Fiscal Year
ACIO - Agency Chief Information Officer
ACIP - Assembly Configuration and Integration Panel
ACLUF - American Civil Liberties Union Foundation
ACMT - Aircraft Certification Management Team
ACO - Assembly and Checkout Officer
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