Center on Europe and Eurasia

Russian President Vladimir Putin arrives to the Third Belt and Road Forum on October 17, 2023, in Beijing, China. (Contributor via Getty Images)

Ukrainian troops deploy in trenches retaken from the Russian army on the Vuhledar front line as the war between Russia and Ukraine continues in Donetsk Oblast, Ukraine, on December 1, 2023. (Marek M. Berezowski/Anadolu via Getty Images)

A Ukrainian soldier during a tactical and live-fire exercise on November 30, 2023, in Donetsk Oblast, Ukraine. (Roman Chop/Global Images Ukraine via Getty Images)

Ukrainian servicemen check their Sweden made CV90 armored infantry combat vehicle on a position pointing in the direction of Bakhmut in the Donetsk region on November 27, 2023. (Genya Savilov/AFP via Getty Images)

Israeli combat engineers maneuver their armored vehicles at a staging point near the Israeli border on November 14, 2023, near Sderot, Israel. (Christopher Furlong via Getty Images)

Servicemen march during the Victory Day military parade in Rostov-on-Don on May 9, 2023. (Stringer/AFP via Getty Images)

President Joe Biden and President of Ukraine Volodymyr Zelensky participate in a bilateral meeting in the East Room of the White House September 21, 2023. (Drew Angerer via Getty Images)

Luke Coffey at Hudson Institute.

Ukrainian soldiers fire RPGs at enemy positions as the special military unit "Kurt & Company group" hold the first line of the front line on November 3, 2023, in Bakhmut District, Ukraine. (Kostya Liberov/Libkos via Getty Images)

Turkish Minister Osman Askin Bak with his Azerbaijani counterpart Farid Gayibov and Secretary General of the Organization of Turkic States (OTS Kubanychbek Omuraliev during the Seventh Working Group Meeting of the OTS in Basgal, Azerbaijan, on November 9, 2023. (Ahmet Izgi/Anadolu via Getty Images)

A self-propelled howitzer in Ukraine in November 2023. (Ukrainian Ministry of Defense, via X)