Well...there it is. 
DoD confirms:
- a new-construction PRC submarine sank at the pier in Wuhan
- the boat was first of a new class, the Type 041 Zhou
- PRC authorities scrambled to cover it up
AND
- DoD reveals that it is nuclear-powered 
DoD confirms:
- a new-construction PRC submarine sank at the pier in Wuhan
- the boat was first of a new class, the Type 041 Zhou
- PRC authorities scrambled to cover it up
AND
- DoD reveals that it is nuclear-powered 