In the case of the Hero Kim Gun-Ok, the vessel started life as a Cold War-era, Soviet-built Romeo-class submarine. The Soviet Union operated Romeo-class subs under Project 633, which began in the ...

A graphic showing North Korean submarines prepared by the analyst H.I. Sutton and published on February 11, 2024. North Korea's new submarine, the Hero Kim Gun-Ok, can carry nuclear warheads, he said.

North Korea has about 20 Romeo-class submarines, which are powered by diesel-electric engines and are obsolete by modern standards, with most other countries operating them only as training vessels.

The Virginia-class, nuclear-powered, fast-attack submarine, USS North Dakota (SSN 784), transit the Thames River as they pull into their homeport on Naval Submarine Base New London in Groton, Conn.

HII launched the Virginia-class submarine Arkansas into the James River for completion and testing. NEWPORT NEWS, Va. — The ...

North Korea launched a new “Korean-style tactical nuclear attack submarine” on Wednesday, ... North Korea already has 20 Romeo-class subs in its fleet of an estimated 64 to 86 submarines.

North Korea says its new submarine has nuclear-attack capabilities after years of development, ... At the time, experts assessed it as an effort to convert an existing Romeo-class submarine.

Its has about 70 submarines, including Romeo-class vessels of Soviet-era design, and midget submarines. The navy also has about 40 support craft and 250 landing craft.

The capabilities of the one introduced this week, originally a Romeo-class Soviet submarine, are unknown ; there is no evidence that North Korea has test-launched a missile from the vessel.

The DPRK owns 20 Romeo-class submarines, but the Hero Kim Gun-Ok is different, as it's been modified into a tactical nuclear attack submarine. While it reportedly carries nuclear weapons, ...

North Korea launched a new “Korean-style tactical nuclear attack submarine” on Wednesday, ... North Korea already has 20 Romeo-class subs in its fleet of an estimated 64 to 86 submarines.