Shortly after turning 18 in February, Daniil Yermolenko fulfilled a long-held wish and signed a contract with Russia’s armed forces. A month later, he voted for the first time, casting a ballot in the presidential election for Vladimir Putin, who had already been in power for six years when Yermolenko was born in 2006. By late March Yermolenko had completed a basic two-week military training, and he was sent to Berdychi in eastern Ukraine where Russian forces were engaged in a...