Player Embed Code: Download Embed Share Senate Committee Reviews Appropriations for Innovation and Research Defense.gov April 13, 2021 | 54:26 Barbara McQuiston, performing the duties of under secretary of defense for research and engineering, and Dr. Stefanie Tompkins, director of the Defense Advanced Research Projects Agency, speak before the Senate Armed Services Committee during a review of the Defense Department's budget request for research and innovations, April 13, 2021.