Hai Kun (SS-711), also known as Narwhal, successfully completed its first submerged sea trials on January 29, 2026.

Korea’s national security adviser noted a “tendency for the US to deal with tariffs in tandem with foreign policy and national security” ...

Russia has likely provided technical assistance to North Korea in the development of submarines, South Korean Defense Minister Ahn Gyu-back told the country's parliament on Oct. 13, Reuters reported.

South Korean President Lee Jae Myung and Defense minister Ahn Gyu-back in Gyeryong, South Korea, October 1, 2025. REUTERS/Kim Hong-Ji/Pool SEOUL (Reuters) -North Korea has likely received technical ...

The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

While short-lived, the Barracuda class served as a critical stepping stone in the evolution of ASW capabilities, demonstrating the importance of advanced sonar systems and stealth in underwater ...

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs. The pictures ...

The Brazilian Navy's Submarine Development Program PROSUB (Programa de Desenvolvimento de Submarinos) reached milestones on 26 November with the commissioning of the third Riachuelo-class ...

SEOUL (Reuters) -North Korea has likely received technical help from Russia for its submarine development, South Korean Defense Minister Ahn Gyu-back told parliament on Monday. North Korea has vowed ...