What does ULDB stand for?
ULDB stands for "Ultra-Long Duration Balloon"
How to abbreviate "Ultra-Long Duration Balloon"?
"Ultra-Long Duration Balloon" can be abbreviated as ULDB
What is the meaning of ULDB abbreviation?
The meaning of ULDB abbreviation is "Ultra-Long Duration Balloon"
What does ULDB mean?
ULDB as abbreviation means "Ultra-Long Duration Balloon"
