Core Viewpoint - The article discusses the escalation of tensions between Russia and Ukraine, highlighting recent military actions and international responses, particularly from the United States regarding defense support for Ukraine. Group 1: Military Actions - On November 19, Ukrainian President Zelensky reported that Ukraine is urgently responding to large-scale attacks from Russia, which began on the night of November 18, involving over 470 attack drones and 48 missiles targeting more than 10 regions in Ukraine [3][4] - The attacks resulted in significant casualties, including 10 deaths and 37 injuries in the city of Chervonograd, where a residential building was hit [3] - Ukrainian military claimed to have launched 4 ATACMS missiles at civilian targets in Voronezh, Russia, which were intercepted by Russian air defense systems [4] Group 2: U.S. Support - On November 18, the U.S. approved a $105 million maintenance project for the Patriot air defense system at Ukraine's request, which is crucial for defending against Russian missile attacks [7][8] - This maintenance includes spare parts and services for the Patriot system, particularly upgrades to launch systems [7] - Since February 2022, U.S. military and financial aid to Ukraine has totaled $67 billion, with ongoing discussions about additional support [9] Group 3: Diplomatic Efforts - Zelensky is set to visit Turkey on November 19 to attempt to restart stalled peace negotiations with Russia, although Russia has stated it will not send representatives to the talks [11][12] - The Ukrainian side aims to involve the U.S. in the negotiation process to apply pressure on Russia [12]