Group 1 - Ukrainian military conducted attacks on key Russian military and industrial targets, including oil facilities and electronic factories [2][3] - Specific targets included the Ryazan oil refinery, a military airport, and an electronic instruments factory in the city of Penza, which is crucial for military encryption [3][4] - The Russian Defense Ministry reported that they shot down 338 Ukrainian drones within 24 hours, indicating ongoing military engagements [5] Group 2 - The attacks are part of Ukraine's strategy to disrupt Russian military capabilities and supply chains, particularly in the defense sector [3][5] - The electronic instruments factory in Penza produces critical equipment for military and intelligence operations, highlighting the strategic importance of the attacks [3] - The ongoing conflict has led to significant military actions from both sides, with Ukraine targeting Russian infrastructure and Russia responding with defensive measures [5]