Four Ukrainian strike drones attacked an S-400 air defense position in Osinovaya Gora, Tula region, at around 02:30 UTC on March 1, 2026, causing substantial damage to a 92N6A radar, according to the usually well-informed Dosye Sphiona channel as reported by NOELreports on X during the 59-minute window from 4:46:40 PM to 5:45:59 PM UTC. Damage assessment is ongoing at the site, per the Dosye Sphiona channel cited by NOELreports. This strike occurred earlier today, separate from ongoing UAV sightings reported over Sochi and nearby areas in Krasnodar Krai by the Радар ВРВ • Оповещения по тылу Telegram channel during the same reporting window. The Tula incident follows previous air defense activations against UAVs over Sochi, Adler District, and Sirius earlier on March 1, as stated in the prior reporting window ending at 4:46:04 PM UTC by the Радар ВРВ • Оповещения по тылу channel.
