Is China building a new type of attack submarine? Satellite images hint at stealth gains

China may be developing a new class of nuclear-powered attack submarine with improved range and stealth, according to analysis based on recent satellite imagery. The images, captured at Shanghai’s Jiangnan Shipyard, show what analysts believe is a previously unidentified submarine featuring a dramatically reduced sail compared with existing Type 093 attack submarines – a design they say could improve performance. The submarine first came to public attention in early June when naval analyst H.I..