Russian forces launched a second underwater carrier into the Black Sea and a salvo of 12 to 16 Kalibr missiles between 6:46 p.m. and 7:15 p.m. UTC on December 25, 2025, according to Ukrainian radar monitoring by eRadar. eRadar reported one additional missile carrier launched along with a volley of 16 Caliber missiles, while a separate eRadar update specified the second underwater vehicle launch and a total salvo of 12 Calibre missiles, occurring in the 29-minute period following earlier launches. Ukraine's Air Force of the Armed Forces reported KAB guided bomb launches in the Donetsk region during the same window. These developments follow a prior eRadar report of one underwater carrier and six Kalibr missiles launched from 5:45 p.m. to 6:46 p.m. UTC, which triggered air alerts across Ukraine.
