Rear Adm. Zhang Zhaozhong initiated a discussion of kelp farming and its supposed ability to keep U.S. submarines from the Yellow Sea that was mocked in some quarters. The admiral is also a professor at China's National Defense University

Rear Adm. Zhang Zhaozhong initiated a discussion of kelp farming and its supposed ability to keep U.S. submarines from the Yellow Sea that was mocked in some quarters. The admiral is also a professor at China's National Defense University