The Ukrainian air force’s best fighter jets just staged a daring raid on the Russian force occupying Ukraine’s strategic Snake Island. The raid marks a significant escalation of Ukraine’s air campaign targeting the Russian garrison on the island in the western Black Sea, 80 miles south of Ukraine’s strategic port Odessa. For at least a week now, Kyiv’s propeller-driven TB-2 armed drones have been waging a relentless defense-suppression campaign over and around Snake Island. The satellite-controlled drones with their 14-pound missiles have knocked out at least three air-defense systems on the 110-acre island as well as two Russian patrol...