Argentina’s sinking of HMS Sheffield in 1982 offers a lesson on how Ansarallah can defeat British aggression against the Yemeni people. Sheffield’s demise sent shockwaves through Britain. But Britain had a path to victory in the Falklands that it does not have in the Red Sea. If Ansarallah sinks a Royal Navy ship, which they can, it will likely end the British mission. It almost certainly will end Rishi Sunak’s premiership.