What does O4 stand for?

What does O4 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: O4.

We've found a total of 3 definitions for O4:

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O4

Officer grade: Captain or Colonel

Governmental » Military

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O4

Officer grade: Commander or Lieutenant Colonel

Governmental » Military

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O4

Officer grade: Lieutenant Commander or Major

Governmental » Military

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"O4." Abbreviations.com. STANDS4 LLC, 2015. Web. 28 May 2015. <http://www.abbreviations.com/O4>.