Group 1 - Ukrainian President Zelensky signed a presidential decree to adjust the composition of the Supreme Command, including the appointment of Budanov, Ivashchenko, and Boyev as members, while former Border Guard Chief Denisenko was removed [2] - The Ukrainian Defense Minister Shmyhal and the Minister of Digital Transformation Fedorov submitted their resignation applications to the Verkhovna Rada, which will review them promptly [4] - The mayor of Lviv reported that a Russian "Zircon" missile attacked an important infrastructure facility, causing significant damage but no casualties, and noted that the missile did not carry a warhead [5][7] Group 2 - The "Zircon" missile, a new hypersonic medium-range ballistic missile developed by Russia, can carry nuclear warheads and strike targets at speeds of 10 Mach, with current defenses unable to intercept it [7] - The Russian Defense Ministry stated that the strikes were a response to a terrorist attack on the Russian presidential residence, targeting facilities related to drone production and energy support for the military-industrial complex [7] - The U.S. Embassy in Ukraine warned of potential significant Russian attacks in the coming days, advising American citizens in Ukraine to pay attention to air raid alerts and seek shelter [7]

Core Viewpoint - The Russian Defense Ministry announced the operational deployment of the "Zircon" missile system in Belarus, marking a significant military development in the region [1] Group 1: Deployment and Training - The "Zircon" missile system has been officially deployed in Belarus, with a ceremony held for the troops equipped with the system [1] - Experts in launch, communication, security, and power supply, as well as missile system mechanics, have undergone relevant training prior to the system's combat operations [1] Group 2: System Specifications and Usage - The "Zircon" is a new type of hypersonic medium-range ballistic missile developed by Russia, capable of carrying nuclear warheads and attacking targets at speeds of 10 Mach [1] - The missile system is set to be used for the first time in November 2024 to strike military targets in Ukraine's Dnipro region [1] Group 3: Bilateral Agreements - In December 2024, the presidents of Russia and Belarus reached an agreement to deploy the "Zircon" missile system within Belarus [1]