September 3, 2012: Chinese Navy commanders appear to be satisfied with the performance of their rapidly evolving "Song" (Type 39) class diesel-electric submarines. The changes have been so great that ...

As if that were not jarring enough for the Navy, an old Song-class diesel submarine from China’s People’s Liberation Army Navy surprised the crew of the USS Kitty Hawk during a large U.S. Navy ...

The Song-class vessel, displacing 2,200 tons, was close enough to hit the Kitty Hawk with a torpedo. None of the carrier’s roughly dozen escorting warships detected the Song until it breached ...

For example, both the Song– and Yuan-class attack submarines are equipped with German-made state-of-the-art diesel engines — the 396 SE84 series — designed by MTU Friedrichshafen GmbH of ...

The Navy awarded a massive contract to General Dynamics Electric Boat on Thursday to build its first Columbia-class ballistic missile submarine and start work on its second. Electric Boat won the ...