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Orbital Refueling System
in NASA
Orroval Valley, Australia STDN
in NASA
128302128301
Similar to ORS
AAV - Air Admittance Valve
AAV - Aerospace Audio- Visual
ABA - Astronaut Boarding Aircraft
ABC - Active Body Control
ABC - Audio Bus Coupler
ABCL - As Built Configuration List
ABE - Anomalous Biological Entities
View all in NASA