The Kursk was an Oscar II class submarine, of the Russian Navy.
25,000 tonnes
The Kursk was a large, modern Russian nuclear submarine that was lost in the Barents Sea on August 12, 2000. She went down with all hands. Russia mourned the loss of the boat and her crew, and questions arose as to the reasons for a delay in response to reports she had gone down. As an aside, it is almost a certainty that submarine sailors around the world shared the grief at Kursk's sinking. A brief history of K-141, the Kursk, can be found by using the link provided to our friends at Wikipedia.
The Russian Navy's Oscar II-class (NATO reporting name) submarine K-141 Kursk sank as a result of an initial torpedo fuel detonation, and secondary torpedo warhead explosions (5-7), on August 12, 2000. Though 23 crew were known to have survived in the stern, they eventually perished along with the rest of the crew.
Beluga class submarine was created in 1988.
because theyre rescue vessels were in poor condition and the rescue subs were badly crewed
Sarov class submarine was created on 07-08-20.
Virginia class
Virginia class submarine
tinned food no drinking water carbon dioxide scrubbers no washing facilities and rising water levels
United States S class submarine was created in 105.
The Perla class submarine was built for the Italian Navy in 1930. The submarine was built by Italy and designed by Bernadis in commission in 1936-1954.
Most modern submarines have one screw (which is the proper term for a propeller). Some of the really big ones have a pair of them, like the Russian submarine Kursk, for example. But the bulk of the designs incorporate a single screw.