About HSEMA The mission of the Homeland Security and Emergency Management Agency (HSEMA) is to manage the District's emergency operations to prevent, respond to, and recover from natural and man-made emergencies. This is accomplished by: Developing plans and procedures to ensure emergency response and recovery capabilities for all emergencies and disasters; Coordinating emergency resources for emergencies and disaster incidents; Providing training for all emergency first responders, city employees, and the public; Conducting exercises; and Coordinating all major special events and street closings. In addition, in furtherance of its mission, HSEMA also: Serves as the central communications point during regional emergencies; Conducts an assessment of resources and capabilities for emergencies; Provides public awareness and outreach programs, and Provides 24-hour emergency operations center capabilities. In carrying out its mission the agency works closely with other emergency response agencies, including the Metropolitan Police Department, the District of Columbia Department of Fire and Emergency Medical Services, the District of Columbia Department of Health and other District and federal agencies, as well as with the major utility companies and non-profit and volunteer organizations such as the Red Cross and the Salvation Army.