What does OS1 stand for?

OS1 stands for "OFFICER'S STEWARD 1ST CLASS (NON PETTY OFFICER)"

How to abbreviate "OFFICER'S STEWARD 1ST CLASS (NON PETTY OFFICER)"?

"OFFICER'S STEWARD 1ST CLASS (NON PETTY OFFICER)" can be abbreviated as OS1

What is the meaning of OS1 abbreviation?

The meaning of OS1 abbreviation is "OFFICER'S STEWARD 1ST CLASS (NON PETTY OFFICER)"

What does OS1 mean?

OS1 as abbreviation means "OFFICER'S STEWARD 1ST CLASS (NON PETTY OFFICER)"