All
of them deal with war at the executive level. This means that they are
responsible for commanding and deploying the army. The president of the United
States is, by the power vested in him by the constitution, the commander-in-chief
of the US military, which means that he is the highest ranking person in the military
hierarchy. His orders are carried out by the lower ranking members and therefore
he possess the executive power. He however does not have the power to declare
war, which falls under the jurisdiction of the Congress.
