No significant military, political, or security developments occurred in the 29-minute reporting window from 8:15:31 PM to 8:45:22 PM UTC on February 15, 2026, across monitored sources covering Ukraine-Russia conflict zones including Bryansk, Belgorod, and Donetsk areas, according to available updates. The sole new source, a post by Сергій FLASH | Про технології during this period, announced an initiative to collect frontline observations on Russian electronic warfare antennas, signals intelligence equipment, UAV wreckage, missiles, reconnaissance drones, and FPV drones. The post stated collaboration with Ministry of Defense colleagues to use Army+ capabilities for soldiers to submit information for specialist analysis. This quiet period follows the missile strike on the Frunzenskaya electrical substation in Russia's Belgorod region between 7:45:19 PM and 8:15:22 PM UTC, as reported by Пепел ➜ Белгород and confirmed by Belgorod Governor Vyacheslav Gladkov, who noted serious damage to energy infrastructure with emergency services on site.