O4: Officer grade: Commander or Lieutenant Colonel
Category:
Others
Language: English
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What is the full form of O4?
O4 stands for Officer grade: Commander or Lieutenant Colonel. Fullformexpand.com has 2 other full forms for abbreviation O4.
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"O4." Fullformexpand.com, https://www.fullformexpand.com/o4/246706. Accessed 7 Jan. 2026.
Fullformexpand.com, 2026. "O4." Accessed January 7, 2026. https://www.fullformexpand.com/o4/246706.
"O4." (n.d.). Fullformexpand.com. Retrieved January 7, 2026, from https://www.fullformexpand.com/o4/246706.
O4. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/o4/246706 (Accessed: 7 January 2026).
Found 2 other full forms for O4 →
| Term | Full Form | Category |
|---|---|---|
| O4 | Officer grade: Captain or Colonel
| Others |
| O4 | Officer grade: Lieutenant Commander or Major
| Others |
View All Abbreviations →
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