The Navajo Nation or Commonwealth of the Great Navajo Nation is a semi-autonomous Native American-governed territory covering 27,425 square miles (71,000 km2), occupying portions of northeastern Arizona, southeastern Utah, and northwestern New Mexico in the United States. It is the largest land area retained by a U.S. tribe and is managed via agreements with the United States Congress as a sovereign Native-American nation.
The Department of Energy's 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 national nuclear weapons complex
The mission of the U.S. Coast Guard is to protect the public, the environment, and U.S. economic interests — in the nation`s ports and waterways, along the coast, on international waters, or in any maritime region as required to support national security. As one of the five branches of the Armed Forces, the U.S. Coast Guard is vital to our nation`s safety and security. U.S. Coast Guard personnel are the backbone of America`s maritime security. They represent the diverse makeup of our nation and support not only those on active duty but also families, veterans, and retirees through education, training and benefit programs. The U.S. Coast Guard also employs a topnotch civilian workforce, with more than 7,000 positions in nearly 100 locations nationwide.
CDC works 24/7 keeping America safe from health, safety and security threats, both foreign and domestic. Whether diseases start at home or abroad, are chronic or acute, curable or preventable, human error or deliberate attack, CDC fights it and supports communities and citizens to prevent it. CDC is the nations health protection agency - saving lives, protecting people from health threats, and saving money through prevention.
The United States Digital Service is a startup at The White House, using design and technology to deliver better services to the American people.