What is the meaning of UFO?

(Military) UFO stands for ultrahigh frequency follow-on
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
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APAMilitary Dictionary (DoD). (2011). ufo. Retrieved September 24, 2026, from http://smartdefine.org/ufo/definitions/1959637
ChicagoMilitary Dictionary (DoD). 2011. "ufo" http://smartdefine.org/ufo/definitions/1959637 (accessed September 24, 2026).
HarvardMilitary Dictionary (DoD) 2011, ufo, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/ufo/definitions/1959637>.
MLAMilitary Dictionary (DoD). "ufo" 4 April 2011. Web. 24 September 2026. <http://smartdefine.org/ufo/definitions/1959637>
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