Dosan Ahn Changho-class submarine was developed for the Republic of Korea Navy as part of the third phase of Korean Attack Submarine (KSS-III) program. It is notable for being one of the very few non-nuclear submarines capable of launching submarine-launched ballistic missiles (SLBM). Displacing at around 3,800 tons (submerged), Dosan Ahn Changho-class submarine features an Air Independent Propulsion (AIP) which enables it to operate for three weeks while submerged. It is armed with 6x torpedo t

174K views · 2.5K reactions | USS Massachusetts (SSN-798), the U.S. Navy's 25th Virginia-class nuclear attack submarine, departing Groton, Connecticut's Electric Boat shipyard after its delivery on November 21, 2025, showcasing its 377-foot length and advanced stealth features for multi-mission operations. The sub towed under the Thames River Bridge amid escort vessels, evoking awe at its scale. | House of Rothschilds | Facebook