2 C.F.R. § 183.35
Terms used in this part are defined as follows:
Contingency operation, as defined in 10 U.S.C. 101(a)(13), means a military operation that:
(2) Results in the call or order to, or retention on, active duty of members of the uniformed services under 10 U.S.C. 688, 12301(a), 12302, 12304, 12304a, 12305, 12406 of 10 U.S.C. chapter 15, 14 U.S.C. 3713 or any other provision of law during a war or during a national emergency declared by the President or Congress.
Covered combatant command means the following:
(6) The United States Transportation Command.
Covered grant or cooperative agreement means a grant or cooperative agreement, as defined in 2 CFR 200.1 with an estimated value in excess of $50,000 that is performed outside the United States, including its possessions and territories, in support of a contingency operation in which members of the Armed Forces are actively engaged in hostilities. Except for U.S. Department of Defense grants and cooperative agreements that were awarded on or before December 19, 2017, that will be performed in the United States Central Command, where the estimated value is in excess of $100,000.
Covered person or entity means a person or entity that is actively opposing United States or coalition forces involved in a contingency operation in which members of the Armed Forces are actively engaged in hostilities.