What does OS2 stand for?

OS2 stands for "ORDINARY SEAMAN 2ND CLASS"

How to abbreviate "ORDINARY SEAMAN 2ND CLASS"?

"ORDINARY SEAMAN 2ND CLASS" can be abbreviated as OS2

What is the meaning of OS2 abbreviation?

The meaning of OS2 abbreviation is "ORDINARY SEAMAN 2ND CLASS"

What does OS2 mean?

OS2 as abbreviation means "ORDINARY SEAMAN 2ND CLASS"