Center on Europe and Eurasia

An Azerbaijani soldier keeping guard by the Aras River, which forms much of Azeri-Iranian border, in Jabrayil, Azerbaijan, on December 7, 2020. (Murat Kaynak/Andalou Agency via Getty Images)

(Office of the President of Ukraine)

A Ukrainian soldier fires a US-made MK-19 automatic grenade launcher towards Russian positions in less than 800 metres away at a front line in Donetsk, Ukraine, on October 12, 2022. (Dave Clark/AFP via Getty Images)

A Swedish Air Force JAS 39 Gripen E jet fighter flies over Gotland in the Baltic Sea on May 11, 2022. (Henrik Montgomery/TT News Agency/AFP via Getty Images)

A Ukrainian soldier launches a drone during a military exercise on July 10, 2022, in Cerkasy, Ukraine. (Yan Dobronosov/Global Images Ukraine via Getty Images)

Ukrainian soldiers comb through wreckage after Russian shelling in Kyiv on June 26, 2022. (Kyiv City State Administration via Wikimedia Commons)