What does OBTS stand for?
OBTS stands for "On-Board Training System"
How to abbreviate "On-Board Training System"?
"On-Board Training System" can be abbreviated as OBTS
What is the meaning of OBTS abbreviation?
The meaning of OBTS abbreviation is "On-Board Training System"
What does OBTS mean?
OBTS as abbreviation means "On-Board Training System"
