The Russian Ministry of Defense released a video reportedly showing the launch of eight "Kalibr" cruise missiles from the Black Sea near Sevastopol toward the Ukrainian city of Rivne.

Reports suggest that the vessel was a Russian Project 21631 Buyan-M small missile ship. The "NK" variant of the 3M-14 subsonic Kalibr cruise missile was designed specifically for surface ships, and they have a maximum range of approximately 2,000 kilometers.