This Ares Quarterly Progress Report, originally released to the public in October 2007, includes progress updates on: - Stage separation wind tunnel testing. - System Definition Review (SDR). - Upper stage barrel panel fabrication. - Groundbreaking at Test Stand A3. - J-2X materials testing. - Ares at Wired NextFest 2007. For a closed-captioned version of the video, please visit us on the Web at http://www.nasa.gov/ares.