State income tax rates vary widely from state to state. South Carolina has the lowest marginal tax rate at 0% for the first $2,850 of personal income, while California has the highest marginal rate of 13.3% for the portion of incomes over $1,000,000.
DoD: The Department of Defense is basically the US military: the Army, the Navy, the Air Force, and the Marines. They defend American sovereignty by using guns and bombs in open and direct conflict.
The United States Department of Defense (DoD) has a complex organizational structure. It includes the Army, Marine Corps, Navy, Air Force, and the Unified combatant commands, U.S. elements of multinational commands (such as NATO and NORAD), as well as non-combat agencies such as the Defense Intelligence Agency and the National Security Agency. The DoD's annual budget was roughly US$496.1 billion in 2015.