O/B in NASA could mean:
Displaying 1-2 of 2 result(s).
O/B
Onboard
in NASA
O/B
Operational Base
in NASA




Similar to O/B

A/L - AirLock
A/L - Approach and Landing
AA - Astronomical Applications
AA - Adverse Action
AA - Antenna Assembly
AAA - Avionics Air Assembly
AAC - Aft Access Closure

View all in NASA