Military and Commercial Technology
Saturday, 27 April 2019
"Bird view of the NSF 039B subs.… "
dafeng cao on Twitter: "Bird view of the NSF 039B subs.… "
“Bird view of the NSF 039B subs.”
China’s first air-independent propulsion (AIP) submarine recently broke a number of records
Yuan Type 039A / B Type 041:
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