What does B/O stand for?
B/O stands for "booster/orbiter"
How to abbreviate "booster/orbiter"?
"booster/orbiter" can be abbreviated as B/O
What is the meaning of B/O abbreviation?
The meaning of B/O abbreviation is "booster/orbiter"
What does B/O mean?
B/O as abbreviation means "booster/orbiter"