To prohibit the deployment of United States Armed Forces in support of a United Nations or mutual security treaty military operation absent express prior statutory authorization from Congress for such deployment, and for other purposes.

States that it is U.S. policy that: (1) the constitutional authority of Congress and the system of self-government and popular control established by the framers of the Constitution shall be protected, and (2) any vote of the United Nations (U.N.) Security Council or any party to a mutual security treaty shall only be advisory and does not constitute authority to deploy U.S. Armed Forces.

Prohibits: (1) any unit or individual of the U.S. Armed Forces from being deployed in support of a U.N. or a mutual security treaty military operation absent prior statutory authorization from Congress; and (2) funds from being appropriated or otherwise made available to any U.S. executive agency in order to carry out any U.N. or mutual security treaty military operation unless the President obtains prior authorization by Congress, as required under article I, section 8 of the Constitution.