The Executive Branch of the United States consists of the President, Vice-President, Cabinet and other grouped into the Executive Office of the President. The President serves as the governmental Head-of-State and as the Commander-in-Chief of the U.S. military. The Vice-Preisdent as the President's principal and is the president of the Senate. The Vice-President the presidency upon the death of the President. The Cabinet of the top in 15 executive departments (such as the Department of the Treasury and the Department of Defense) that deal with national and international .