Group 1 - The core viewpoint of the article highlights the significant escalation in the conflict between Russia and Ukraine, particularly focusing on a recent drone attack by Ukraine on multiple Russian military bases, which has been described as one of the most penetrating assaults since the conflict began [1][2][9] - The Ukrainian Security Service claims responsibility for the drone attacks, which targeted five air force bases across various Russian regions, marking a notable shift in Ukraine's operational capabilities [1][5][10] - The operation, codenamed "Spiderweb," reportedly resulted in the destruction or damage of over 40 Russian strategic aircraft, including A-50 early warning aircraft and Tu-95 strategic bombers, with estimated losses for Russia reaching up to $7 billion [7][11] Group 2 - The attacks have raised concerns regarding the vulnerability of Russia's military assets located thousands of kilometers from the front lines, exposing weaknesses in its security systems [9][12] - In response to the attacks, Russian officials and military bloggers have called for retaliation, with some likening the incident to the "Pearl Harbor" attack, indicating a potential shift in Russia's military strategy [2][6][14] - The timing of these attacks, occurring just before the scheduled second round of peace talks in Istanbul, has led to heightened tensions and accusations from Russian officials blaming Ukraine for the recent infrastructure collapses in Russia [11][15]