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handle is hein.crs/govefko0001 and id is 1 raw text is: Congressional
a   Research Service
Ukraine: New U.S. Deployments to Europe
Might Raise War Powers Resolution
Questions
March 15, 2022
In response to Russia's invasion of Ukraine, and in coordination with NATO allies, President Biden has
announced the deployment of U.S. armed forces to Poland, Romania, Bulgaria, Lithuania, Estonia,
Latvia, Greece, and the Czech Republic, as well as Germany, to defend the eastern flank of NATO. These
deployments might raise questions about the role of Congress under the War Powers Resolution (WPR)
concerning the use of U.S. armed forces in connection with the Ukraine conflict.
Presidential Reporting of Deployments Under the War Powers Resolution
Congress enacted the WPR to create congressional-executive procedure, triggered by presidential
consultation with and notification to Congress, for decisions to use U.S. armed forces. Pursuant to Section
4, the President must notify the Speaker of the House and the President pro tempore of the Senate within
48 hours after introducing U.S. armed forces (1) into active or imminent hostilities, (2) into a foreign
nation while equipped for combat (except when solely for supply, repair, or training), or (3) in numbers
that substantially enlarge combat-equipped, foreign-deployed U.S. armed forces. The notification must
describe the circumstances necessitating the deployment, its estimated scope and duration, and the
constitutional and legislative authority for the decision. Notifications are usually made publicly
available, but they can be provided in partially or entirely classified form. The President is required to
provide such other information as the Congress may request in connection with a notification, and must
report to Congress on continuing deployment at least once every six months.
The Biden Administration has announced deployments of approximately 15,000 U.S. troops to and within
Europe in response to Russia's invasion. The President has not made any publicly available notifications
pursuant to Section 4 regarding these deployments. While some of the new deployments have a supply or
training element, they might not be solely for that purpose, as they are intended for NATO defense.
Congress may consider whether these new deployments substantially enlarge existing deployments. For
examples, U.S. troop presence in Poland has reportedly increased from about 4,000 to 8,700 or more, and
U.S. deployment to Romania increased from about 900 to 1,900 or more. At least 7,000 additional U.S.
troops have deployed to Germany, and might have redeployed elsewhere in Europe. In addition, no
Congressional Research Service
https://crsreports.congress.gov
IN11890
CRS INSIGHT
Prepared for Members and
Committees of Congress

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