A destroyed Russian tank along the side of the road in Ukraine.Nicola Marfisi/AGF/Universal Images Group via Getty Images Heavy Russian tank and armored vehicle losses have led Russia to change its tactics, according to a new report. Russia has faced threats from enemy tanks as well as weapons carried by dismounted infantry. Russia is demonstrating increasing caution with its tanks and also working to hide them. After taking heavy losses, Russian forces are trying out new ways to protect the tanks they have left from Ukrainian missiles, but there's a tradeoff, according to a new report.