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Crewman Optical Alignment Sight
in NASA
Course Optical Alignment Sight
in NASA
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Similar to COAS
ABA - Astronaut Boarding Aircraft
ABC - Active Body Control
ABC - Audio Bus Coupler
ABCL - As Built Configuration List
ABE - Anomalous Biological Entities
ABHRS - As Built Hardware Reporting System
ABL - Allocated BaseLine
View all in NASA