The escalation in the Red Sea is mirrored by maritime mayhem elsewhere. The Black Sea is filling up with mines and crippled warships; this year Ukraine hopes to eject the Russian navy from Crimea, its base since Catherine the Great.
Some 80% of trade by volume and 50% by value travels on a fleet of 105,000 container ships, tankers and freight vessels that ply the oceans day and night, taken for granted by the people whose livelihoods depend on them.