The Department of Energy (DOE) / Department of Homeland Security (DHS) Watch Office Desk in DHS's National Operations Center (NOC) represents DOE/NNSA within the NOC. In conjunction with over 80 federal, state, and local government agencies, the DOE/DHS Operations Center Watch Officer(s) collect, analyze and facilitate the exchange of vital information between DHS and DOE supporting the DHS mission of preventing and/or responding to acts of terrorism in the United States.