英国退休潜艇指挥官孟席斯对中国明代郑和航海的研究,引起很多人的兴趣。他主张的郑和船队是人类第一支环球航行并首先到达美洲的船队这一见解,虽然还是一种推测,但却不无道理。孟席斯面对的最大难题是缺乏支持他的结论的文献资料。他认为那些文献包括航海图,因政治动荡和 Menzies, commander of the British submarine for retirement, studied the sea of ​​Zheng He in Ming Dynasty in China and aroused many people’s interest. The idea that the Zheng He fleet is the first human fleet to sail around the world and first to reach the Americas is, though still speculative, not unreasonable. Menzies faces the biggest problem is the lack of support for his conclusions of the literature. He believes that those documents include charts, due to political turmoil and