DTRA
The Defense Threat Reduction Agency is responsible for reducing the present threat to the U.S. and its allies from weapons of mass destruction (WMD) and preventing future threats. The agency supports the United States' nuclear deterrent capability; reduces the threat from nuclear, chemical, biological, and other special and conventional weapons, and counters threats posed by WMD. DTRA has a world-wide presence with offices at Fort Belvoir and Alexandria, Virginia; Albuquerque, New Mexico; and San Francisco, California.
DARPA
The Defense Advanced Research Projects Agency (DARPA) is the central research and development organization for the Department of Defense (DoD). It manages and directs selected basic and applied research and development projects for DoD, and pursues research and technology where risk and payoff are both very high and where success may provide dramatic advances for traditional military roles and missions. DARPA is the Pentagon ncr project sponsor.
