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

ABV - Above
ABV - Air Bubble Vehicle
AC - Aerodynamic Center
AC - Comptroller Office
AC - Alternating Current
AC - Assembly Complete
ACBM - Active Common Berthing Mechanism

View all in NASA