Russia to Hand Over ‘Black Hole’ Sub to Vietnam in November

The first of six Russian submarines, dubbed by the US Navy as “black holes in the ocean” because they are nearly undetectable when submerged, will be delivered to Vietnam in November, the shipbuilder said Monday.

The Varshavyanka class (Project 636M) of diesel-electric submarines have very low noise emission and can hit targets at long distances without being detected by an enemy’s anti-submarine warfare assets.

“We are expecting the signing of the acceptance act and the sub’s sailing to Vietnam in November,” the press service of Admiralty Shipyards said from St. Petersburg.

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