What is the meaning of OI?

(Military) OI stands for one of the following: Office of Intelligence (USCS); operating instruction
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
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APAMilitary Dictionary (DoD). (2011). oi. Retrieved September 25, 2026, from http://smartdefine.org/oi/definitions/1958063
ChicagoMilitary Dictionary (DoD). 2011. "oi" http://smartdefine.org/oi/definitions/1958063 (accessed September 25, 2026).
HarvardMilitary Dictionary (DoD) 2011, oi, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/oi/definitions/1958063>.
MLAMilitary Dictionary (DoD). "oi" 4 April 2011. Web. 25 September 2026. <http://smartdefine.org/oi/definitions/1958063>