U.S., NATO to Suspend Possibly The Participation in Landmark Cold War Arms Treaty

Move follows Russia’s withdrawal from the Conventional Forces in Europe pact.

WASHINGTON—The U.S. and its NATO allies served notice Tuesday that they will formally suspend their participation in a 1990 treaty limiting conventional forces in Europe, marking the demise of another landmark arms control agreement.

Bulgarian troops during a NATO exercise. Suspending participation will give the U.S. more flexibility to deploy forces in Romania and Bulgaria, near Ukraine.The North Atlantic Treaty Organization’s move follows Russia’s formal withdrawal from the accord on Tuesday and longstanding Western complaints that Moscow wasn’t honoring the terms of the treaty.