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Countering Weapons of Mass Destruction Office

The DHS Countering Weapons of Mass Destruction Office (CWMD) works to prevent attacks against the United States using a weapon of mass destruction (WMD) through timely, responsive support to operational partners.

On December 21, 2018, President Trump signed the Countering Weapons of Mass Destruction Act to fully establish and authorize DHS CWMD within the Department.


The Countering Weapons of Mass Destruction Office (CWMD) leads DHS efforts and coordinates with domestic and international partners to safeguard the United States against CBRN and health security threats.

Strategic Goals

  • Anticipate, identify, and assess current and emerging WMD threats.
  • Strengthen detection and disruption of CBRN threats to the homeland.
  • Synchronize homeland counter-WMD and health security planning and execution.

Organization and Leadership

DHS CWMD is led by Acting Assistant Secretary Gary Rasicot.

The Department’s Chief Medical Officer, Dr. Pritesh Gandhi, sits within CWMD to serve as the principle advisor to the DHS Secretary, Assistant Secretary for CWMD, the FEMA Administrator, and DHS senior leadership on medical and public health issues related to natural disasters, border health, pandemic response, acts of terrorism, and other man-made disasters.

Press Releases

Publications and Reports

Additional Information

Last Published Date: December 2, 2021

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