Russia's Crimea supply situation is dire. Russia's answer? Try armored trains. Steel plating, anti-aircraft mounts, Soviet-era rail doctrine, applied to a threat that arrives from above, not from the side of the track. In this video: why the Kerch Bridge makes every train crossing an open-air targeting problem, how Ukraine turned a logistics corridor into a hit zone without crossing a single new front line, and what Russia being forced to consider armored trains actually reveals about how badly it's losing the supply war for Crimea.