The U.S. Department of Health and Human Services is the United States governments principal agency for protecting the health of all Americans and providing essential human services especially for those who are least able to help themselves.
The Department of Energys overarching mission is to advance the national economic and energy security of the United States to promote scientific and technological innovation in support of that mission and to ensure the environmental cleanup of the nationa
The Department of Homeland Security seeks to: Prevent and deter terrorist attacks and protect against and respond to threats and hazards to the nation. Learn more at the official Web site.