What is the meaning of OA?

(Military) OA stands for one of the following: objective area; operating assembly; operational area; Operations Aerology shipboard METOC division
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
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APAMilitary Dictionary (DoD). (2011). oa. Retrieved September 22, 2026, from http://smartdefine.org/oa/definitions/1957992
ChicagoMilitary Dictionary (DoD). 2011. "oa" http://smartdefine.org/oa/definitions/1957992 (accessed September 22, 2026).
HarvardMilitary Dictionary (DoD) 2011, oa, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/oa/definitions/1957992>.
MLAMilitary Dictionary (DoD). "oa" 4 April 2011. Web. 22 September 2026. <http://smartdefine.org/oa/definitions/1957992>