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) developed the Internet protocol suite from research at DARPA (Defense Advanced Research Projects Agency). For this reason, the model is also sometimes referred to as the DoD model.