The
Defense Threat Reduction Agency (
DTRA) is an agency within the
United States Department of Defense and is the official Combat Support Agency for countering
weapons of mass destruction (
chemical,
biological,
radiological,
nuclear, and
high explosives). DTRA's main functions are threat reduction, threat control, combat support, and technology development. The agency is headquartered in
Fort Belvoir, Virginia. DTRA (and its co-located partner organizations the SCC-WMD and SJFHQ-E) employ approximately 2,000 civilians and uniformed service members at more than a dozen permanent locations around the world. The majority of personnel are at DTRA headquarters on
Fort Belvoir,
Virginia. Approximately 15% of the workforce is located on
Kirtland Air Force Base and the
White Sands Missile Range in
New Mexico, and the
Nevada National Security Site (formerly called the Nevada Test Site), where they do testing and support the U.S. military's nuclear mission. Another 15% of the workforce are stationed in
Germany,
Kazakhstan,
Azerbaijan,
Uzbekistan,
Georgia,
Ukraine,
Armenia,
Kenya,
South Korea,
Japan, and
Singapore. DTRA also has liaisons with all of the U.S. military’s
Combatant Commands, the
National Guard Bureau, the
FBI and other U.S. government interagency partners.