The Story Of The I-400: Japan's Submarine Aircraft Carrier
At the time of World War II, American submarines were no longer than 312 feet with a beam of 27 feet. So, you can imagine ...
朝日新聞社5d
South Korea, U.S., Japan hold anti-North Korea submarine drill
SEOUL--The South Korean, U.S. and Japanese navies began their first anti-submarine drills in six months on Monday to boost their coordination against increasing North Korean missile threats, ...