What does UM3 stand for?

UM3 stands for "UNDERWATER MECHANIC 3RD CLASS PETTY OFFICER"

How to abbreviate "UNDERWATER MECHANIC 3RD CLASS PETTY OFFICER"?

"UNDERWATER MECHANIC 3RD CLASS PETTY OFFICER" can be abbreviated as UM3

What is the meaning of UM3 abbreviation?

The meaning of UM3 abbreviation is "UNDERWATER MECHANIC 3RD CLASS PETTY OFFICER"

What does UM3 mean?

UM3 as abbreviation means "UNDERWATER MECHANIC 3RD CLASS PETTY OFFICER"