Catastrophic Failure of Chinese Nuclear Submarine: What We Know
By- Priyanka Rai
Chinese nuclear submarine incident led to 55 deaths
Occurred in the Yellow Sea on August 21
Submarine identified as 093-417 with torpedoes
China denies the submarine loss
Captain and 21 officers among the casualties
Submarine caught in a 'chain and anchor obstacle
Systems failure required six-hour repair
Oxygen systems malfunctioned, causing deaths
Concerns about potential water contamination
Type-093 attack submarines designed to be quieter