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Engine Combustion
in NASA
Engineering Change Order
in NASA
Earth Communications Office
in NASA
Earth Crossing Objects
in NASA
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Similar to ECO
A&RC - Application and Resource Control
A&TA - Assembly and Test Area
A&V - Assembly and Verification
A/A - Air to Air
A/C - Aircraft
A/C - Associate Contractor
A/C - Air Conditioning
View all in NASA