It was such an enemy submarine and ship that now became unusable scrap metal.
Submarine B-237 "Rostov-on-Don", passed tests and entered the fleet in 2014, cost about $300 million. Caliber missile carrier.
The large landing ship "Minsk", launched in 1983. Full brother of "Cesar Kunikov", cousin of "Olyenehorsky Miner".
Original tweet: https://twitter.com/EuromaidanPR/status/1701900273457774917