The submarine sank earlier this year, in a major setback for the Chinese military, say US defence officials.
The submarine sank earlier this year, in a major setback for the Chinese military, say US defence officials.
Simple ethical design
The submarine sank earlier this year, in a major setback for the Chinese military, say US defence officials.
The submarine sank earlier this year, in a major setback for the Chinese military, say US defence officials.
