Contingency operation
Contingency operation means a military operation that:
(1) Is designated by the Secretary of Defense as an operation in which members of the Armed Forces are or may become involved in military actions, operations, or hostilities against an enemy of the United States or against an opposing military force; or
(2) Results in the call or order to, or retention on, active duty of members of the uniformed services under section 688, 12301(a), 12302, 12304, 12305, or 12406 of Title 10 of the United States Code, chapter 15 of Title 10 of the United States Code, or any other provision of law during a war or during a national emergency declared by the President or Congress. See also ยง 825.126(a)(2).