Russia’s newest diesel-electric submarine Petropavlovsk-Kamchatsky launched a Kalibr cruise missile from the Sea of Japan, hitting a coastal target around 1,000 km or 621 miles awayThe Russian Navy’s Pacific Fleet said in a statement,“The Petropavlovsk-Kamchatsky launched a cruise missile of the Kalibr complex at a ground target from a submerged position in the Sea of Japan. At the estimated time, the missile hit the coastal target position on the tactical field of Surkum [in the Khabarovsk region]. The firing range exceeded 1,000 kilometers”In this video Defense Updates analyzes why Kilo-class submarine Petropavlovsk-Kamchatsky launching Kalibr missile is a deadly combination?