What is the meaning of USD(R&E)?

(Military) USD(R&E) stands for Under Secretary of Defense for Research and Engineering
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
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APAMilitary Dictionary (DoD). (2011). usd(r&e). Retrieved October 2, 2026, from http://smartdefine.org/usd(r%26e)/definitions/1959771
ChicagoMilitary Dictionary (DoD). 2011. "usd(r&e)" http://smartdefine.org/usd(r%26e)/definitions/1959771 (accessed October 2, 2026).
HarvardMilitary Dictionary (DoD) 2011, usd(r&e), Smart Define, viewed 2 October, 2026, <http://smartdefine.org/usd(r%26e)/definitions/1959771>.
MLAMilitary Dictionary (DoD). "usd(r&e)" 4 April 2011. Web. 2 October 2026. <http://smartdefine.org/usd(r%26e)/definitions/1959771>