A few hours after Ukrainian kamikaze drones struck the proud towers of the Moscow City business centre, a Muscovite friend received a cold call from her insurance company. Would she like to upgrade her home insurance to include drone attacks, a chirpy salesman asked. Another couple of friends, out for a walk in the woods not far from Vladimir Putin’s country residence at Novo-Ogaryovo, were surprised to discover a pair of Pantsir-S1 mobile anti-aircraft batteries parked by the edge of a field, their warheads pointing warily towards Ukraine.