What is the meaning of SIR?

(Military) SIR stands for one of the following: serious incident report; specific information requirement
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
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APAMilitary Dictionary (DoD). (2011). sir. Retrieved September 20, 2026, from http://smartdefine.org/sir/definitions/1958962
ChicagoMilitary Dictionary (DoD). 2011. "sir" http://smartdefine.org/sir/definitions/1958962 (accessed September 20, 2026).
HarvardMilitary Dictionary (DoD) 2011, sir, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sir/definitions/1958962>.
MLAMilitary Dictionary (DoD). "sir" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/sir/definitions/1958962>
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