Satellite images reveal a previously unknown Chinese nuclear attack submarine with an ultra-low-profile sail, a design aimed at improving underwater stealth. Its size and features suggest it's compara

Satellite images reveal a previously unknown Chinese nuclear attack submarine with an ultra-low-profile sail, a design aimed at improving underwater stealth. Its size and features suggest it's comparable to the U.S. Virginia-class, while its construction at a new shipyard indicates China may be expanding nuclear submarine production more rapidly than expected. Source: SCMP