To knock out Russian vehicles, Ukrainian teams lie in wait along roads — sometimes for days — before firing their missiles and sprinting away to their own vehicles for a quick escape. That’s the basic tactic the Ukrainians have worked out as Russia’s wider war in Ukraine enters its sixth week. Ukrainian missileers packing foreign-supplied anti-tank guided missiles, such as the American Javelin, as well as locally made ATGMs such as the Stugna-P and Corsar, have plunked at the Russian invasion force, knocking out a vehicle here and a vehicle there until the losses have become unsustainable for the Kremlin....