DUBAI — The ongoing strikes on ships in the Red Sea by Iranian-backed Houthi militias took their first lives on Thursday, with two sailors aboard the commercial vessel MV True Confidence killed by incoming fire. It’s a tragic, but almost inevitable, step in the Houthi campaign of launching missiles against commercial ships, as the Yemeni group attempts to disrupt trade and commerce in the region. But the worst could still be coming, experts say, thanks to the impressive technological leaps the Houthis have shown in the realm of ballistic missiles. The Houthis already made history in becoming the first group...