Center on Europe and Eurasia

A US Army Patriot missile system launches a rocket as part of a NATO training exercise in Greece on November 11, 2017. (DVIDS)

President Volodymyr Zelenskyy meets with Joe Biden in the Oval Office on December 21, 2022. (Brendan Smialowski/AFP via Getty Images)

An F-16 Fighting Falcon lands at Spangdahlem Air Base in Germany on April 30, 2022, after a three-month rotational deployment at Fetesti Air Base in Romania. (US Air Force photo by Anthony Plyler)

(Screenshot via CBN)

(Screenshot via Government Matters)

(Screenshot via CNN)

(Flickr)

Pro-Ukraine demonstrators outside the US Capitol as President of Ukraine Volodomyr Zelenskyy addresses a joint meeting of Congress on December 21, 2022, in Washington, DC. (Drew Angerer/Getty Images)

Ukrainian servicemen fire artillery shells at the frontline of Donbas, Ukraine, on December 5, 2022. (Narciso Contreras/Anadolu Agency via Getty Images)

(Screenshot via Politeka World/YouTube)

Vladimir Putin meets with military staff at the Kremlin on December 17, 2022. (Kremlin)

Russian billionaire Yevgeny Prigozhin during the Saint Petersburg International Economic Forum on June 17, 2016, in Saint Petersburg, Russia. (Mikhail Svetlov/Getty Images)