# Office of the Under Secretary of Defense for Research and Engineering **Entity class:** Department of Defense organization **Aliases:** OUSD(R&E) ## Definition The **Office of the Under Secretary of Defense for Research and Engineering** is the Department of Defense's principal organization for technology strategy, science and technology, prototyping, experimentation, and engineering leadership. ## Relationships - **demonstration series:** [[wiki/Thunderstorm Technology Demonstration and Experimentation|Thunderstorm Technology Demonstration and Experimentation]]. - **experimentation portfolio:** joint prototyping and experimentation, including the Rapid Defense Experimentation Reserve and Technology Readiness Experimentation. - **collection:** [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]]. ## Sources / Provenance - [Department of Defense — OUSD(R&E) mission](https://www.defense.gov/News/Releases/Release/Article/1920518/research-and-engineering-launches-two-new-public-websites/)