The Pentagon says it is suspending exercises and other activities with the Russian military, in light of Moscow's military involvement in Ukraine, the Associated Press reported.
A Pentagon spokesman, Navy Rear Adm. John Kirby, said Monday evening that the U.S. military has "put on hold" all military-to-military engagements, including bilateral meetings, port visits and planning conferences.
Kirby said the Pentagon values the relationship it has developed with the Russian military in the last few years, to reduce the risk of military miscalculation.
He said the U.S. calls on Russian forces in the Crimea region of Ukraine to return to their bases.
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