Center on Europe and Eurasia

US army soldiers assigned to the 10th Mountain Division stand security at Hamid Karzai International Airport in Kabul, Afghanistan, on August 15, 2021. (Isaiah Campbell via DVIDS)

Russian self-propelled artillery mount MSTA-S exhibited on Khreshchatyk Street in preparation for Independence Day on August 21, 2023, in Kyiv, Ukraine. (Roman Petushkov/Global Images Ukraine via Getty Images)

(DVIDS)

Servicemen of the 128th Separate Brigade of Territorial Defense Forces practice storming enemy positions during a tactical drill in the Zaporizhzhia direction, southeastern Ukraine. (Ukrinform/NurPhoto via Getty Images)

Russian President Vladimir Putin and North Korea's leader Kim Jong Un visiting the Vostochny Cosmodrome in Amur region on September 13, 2023. (Vladimir Smirnov/POOL/AFP via Getty Images)

(Jeff Song Photography/Alexander Hamilton Society)

Afghans make their way through a flooded street toward a nearby airport entrance to try their chance at evacuating out of the country in Kabul, Afghanistan, on August 25, 2021. (Marcus Yam/Los Angeles Times)

Rustem Umerov speaks in the Ukrainian parliament in Kyiv on September 6, 2023. (Andrii Nesterenko/AFP via Getty Images)

A grass-camouflaged serviceman of the Armed Forces of Ukraine takes part in a training with UAV operators on June 15, 2023, in Kyiv, Ukraine. (Andriy Zhyhaylo/Obozrevatel/Global Images Ukraine via Getty Images)

A destroyed Russian tank sits in a snow covered wheat field in Kharkiv region amid Russia's military invasion on Ukraine on February 22, 2023. (Anatolii Stepanov/AFP via Getty Images)

(Getty Images)