sinpo class submarine Archives - 38 North

Quick Take: North Korea’s Sinpo-B Class Submarine Drydocked

Jenny Town

Apr 16, 2026

Satellite Imagery, WMD

This article was updated on April 22 and April 24, 2026 with new imagery. On commercial …

North Korea’s Nuclear-Powered Missile Submarine: A Mystery Wrapped Around a Riddle and an Enigma

Vann H. Van Diepen

Mar 21, 2025

Military Affairs, WMD

On March 8, North Korean (Democratic People’s Republic of Korea or DPRK) media reported that …

Sinpho South Shipyard: New Submarine Makes Debut, but With Many Questions To Be Answered

Peter Makowsky and Jack Liu

Sep 8, 2023

Satellite Imagery, WMD

Commercial satellite imagery of the Sinpho South Shipyard from September 6 captured the …

Hey, Boomer: What Happened to North Korea’s Ballistic Missile Subs?

Vann H. Van Diepen

Jul 10, 2023

Military Affairs, WMD

In July 2019, North Korea revealed a conventionally powered ballistic missile submarine (SSB) …