Vladimir Putin’s invasion of Ukraine has today passed a grim milestone which will no doubt have been felt by the top brass sitting in their ivory tower at the Kremlin. After more than 820 days of non-stop fighting, Putin’s men on the frontlines are bearing the full brunt of the war – a fact now reflected in recorded losses. According to the Ukrainian Army’s General Staff, Russia’s personnel losses today passed 500,000 men – a grim and disturbing milestone in the conflict. If the figures are to be believed, the milestone equates to roughly 609 deaths per day, or 25 an hour and marks the largest…