Russia uses trained marine mammals to bolster Crimea’s Sevastopol naval base security – UK intel

In its latest intelligence update on the situation in Ukraine, the British Defense Ministry says the Russian Navy has bolstered security at Sevastopol base in occupied Crimea with multiple layers of nets, booms, and an increased presence of trained marine mammals, likely aimed at countering enemy divers.

The ministry tweeted:

• "Since summer 2022, the Russian Navy has invested in major enhancements to the security of the Black Sea Fleet’s main base at Sevastopol."
• "This includes at least four layers of nets and booms across the harbour entrance. In recent weeks, these defences have highly likely also been augmented by an increased number of trained marine mammals."
• "Imagery shows a near doubling of floating mammal pens in the harbour which highly likely contain bottle-nosed dolphins. In Arctic waters, the navy also uses Beluga whales and seals. Russia has trained animals for a range of missions, but the ones housed in Sevastopol harbour are highly likely intended to counter enemy divers."

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