February 13 Steregushchy class corvettes Sovershenny and Rezky, together with the fleet oiler Pechenga, departed Vladivostok for a long range deployments. Whilst in the Peter the Great Bay, the vessels held a series of combat drills including air defense, repelling a simulated USV attack, and anti-submarine warfare supported by Ka-27 helicopters link . February 14 Steregushchy class corvettes Sovershenny and Rezky, together with the fleet oiler Pechenga, reportedly passed through the Strait of Tsushima on a southwestern course link . February 16 Steregushchy class corvettes Sovershenny and Rezky, together with the fleet oiler Pechenga, were observed passing the islands of Yonaguni and Iriomote. All three vessels where on a southern course, entering the Pacific Ocean east of Taiwan link .