Full form of OS3 is Operations Specialist Petty Officer 3rd Class
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Others
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English
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Frequently Asked Questions
What is the full form of OS3?
OS3 stands for Operations Specialist Petty Officer 3rd Class. Fullformexpand.com has 1 other full form of OS3 abbreviation.
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"OS3." Fullformexpand.com, https://www.fullformexpand.com/os3/operations-specialist-petty-officer-3rd-class. Accessed 7 Apr. 2026.
Fullformexpand.com, 2026. "OS3." Accessed April 7, 2026. https://www.fullformexpand.com/os3/operations-specialist-petty-officer-3rd-class.
"OS3." (n.d.). Fullformexpand.com. Retrieved April 7, 2026, from https://www.fullformexpand.com/os3/operations-specialist-petty-officer-3rd-class.
OS3. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/os3/operations-specialist-petty-officer-3rd-class (Accessed: 7 April 2026).
| Abbreviation | Full Form | Category |
|---|---|---|
| OS3 | Officer's Steward 3rd Class (non Petty Officer) |
Others
|
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OS3 Full Form
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