• What does O5 Stand For?

    For O5 we have found 2 definitions.

  • What does O5 mean? We know 2 definitions for O5 abbreviation. Possible O5 meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.

O5 Stands For:

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*****O5Österreich (Austrian) Resistance Group
*O5Officer grade: Commander or Lieutenant Colonel