According to the military expert, Russia can fill the Atlantic and Pacific oceans with its submarines, which will give it a strategic advantage. He stressed that the United States currently lacks such capabilities.
On the other hand, the French Navy has recently made another unusual addition to its fleet: the Frankenstein submarine. French defense contractor Naval Group delivered its submarine, which was built by combining the rear section of one nuclear submarine with the front section of another, to the French Navy.
Source: Ferra

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