The Republic of Korea Navy has officially launched the Jang Yeong-sil (SS-087), the first submarine of the Changbogo-III Batch-II class, during a ceremony held on October 22 at the Hanwha Ocean ...

The US Navy has taken delivery of a new 8,000-ton attack submarine built to slip quietly into contested waters and support elite special operations forces far from shore. The boat’s combination of low ...

Add Yahoo as a preferred source to see more of our stories on Google. North Korea's leader Kim Jong Un inspected the country's nuclear-powered submarine, claimed to be 8,700 ton, as he called Seoul's ...

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 ...