Ukraine targeted five of Russia's air defense systems worth an estimated $350 million in a single day, serving a blow to Russian President Vladimir Putin's exhausted military in the nearly three-year-old war. Russia lost two Pantsir-S1 anti-aircraft missile and gun systems and one OSA air defense system, as well as two S-300 air defense systems, according to Ukraine's military and a war reporter. Newsweek has reached out to the Russian government for comment via email. Ukraine has frequently zeroed-in on Russia's advanced air-defense systems, and Monday's reported loss marks a success for Kyiv's military as both sides continue to sustain...