Jeff David and John Reingruber participate in a Pentagon press briefing on Nov. 29, 2001. Jeff David (left), deputy director of the Technical Support Working Group, and John Reingruber (right), assistant for science and technology, office of the Deputy Assistant Secretary of Defense for Combating Terrorism, participate in a Pentagon press briefing on Nov. 29, 2001. The Technical Support Working Group is a Department of Defense organization having the mission to identify, prioritize and coordinate interagency and international research and development requirements for combating terrorism. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 439915-I-PZP23-926.jpg Photo Gallery