A Ukrainian vice admiral said Russia is learning quickly how to counter sea drone attacks. Moscow now has a "layered defense system" that makes attacks more difficult, he said. It's sparked an innovation war at sea that's seen helicopters and drone-mounted ...

A 1,000-strong "dark fleet" of rogue tankers evading sanctions has become a new target for the U.S. and Ukraine, according to a senior maritime intelligence analyst.

Agents of the ATESH partisan movement have carried out detailed reconnaissance of the 758th Logistics Support Center (military unit No. 63876) of the Russian Black Sea Fleet in Sevastopol. — Ukrinform.

Satellite imagery of a Russian naval base in September revealed strange movements at the facility. On multiple occasions, Russia partially or completely dispersed its naval vessels at Novorossiysk. The weird behavior follows devastating Ukrainian attacks ...

At least three oil tankers have been hit by explosions in what appears to be a stepped up unilateral effort by Ukraine to sink Russia's sanctions-dodging oil sales.