Ukraine now has a cruise missile that can travel over 600 miles, far enough to reach Moscow, President Volodymyr Zelenskyy boasted over the weekend. "We have significant results," Zelenskyy said Saturday. "Long Neptune has been tested and successfully used in combat. A new Ukrainian missile, an accurate strike. The range is a thousand kilometers," or 620 miles. That puts Moscow within striking range. The missile has been in development for years. Battle watchers believe the combat success Zelenskyy referred to was a Friday strike on an oil refinery in Tuapse, Russia, some 300 miles from the front line. RUSSIA WANTS 'IRONCLAD' GUARANTEE THAT UKRAINE WILL BE