.IN LATE 2021 Russia started assembly metal cages over the belfries of its tanks, in an effort to guard all of them from attack. The cages proved ineffective-- some Western experts jokingly dubbed them "emotional-support armour". Right now Russia has launched an even more demanding retrofit, utilizing metallic bed linen to completely enclose a few of its tanks. The brand new armour has gained the lorries the label "tortoise tanks". Will kitting them out in this way really assist?