Displaying 1-4 of 4 result(s).
Preburner P/B preferred
in NASA
Phonetically Balanced
in NASA
128560128558128561128559
Similar to PB
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