-
What does OS1 Stand For?
For OS1 we have found 5 definitions.
-
What does OS1 mean? We know 5 definitions for OS1 abbreviation or acronym in 2 categories. Possible OS1 meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
OS1 Stands For:
| Rank | Abbreviation | Meaning | |
|---|---|---|---|
| ***** | OS1 | OFFICER'S STEWARD 1ST CLASS (NON PETTY OFFICER) United States Amy Rank | |
| **** | OS1 | Operations Specialist Petty Officer First Class | |
| **** | OS1 | OPERATIONS SPECIALIST PETTY OFFICER 1ST CLASS United States Amy Rank | |
| ** | OS1 | Operating System 1 | |
| * | OS1 | Optical Singlemode 1 | |