He must have only meant the large ship Moskva, not the ones in the total list.
“One document also estimated that between 35,000 and 43,000 Russian forces have been killed in action during the conflict.”
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And, the vast majority of those loses come from the militias of the LPR, DPR, Chechens and Wagner group rather than regular Russian military.
Ukraine has likely seen 200,000 killed and 400,000 killed and wounded.
Ukraine is out of soldiers, ammo and missiles for their air defense. You're out of touch and Ukraine is out of time.