The 21st century is the century of the ocean. Over the past few years, the characteristics of the development, competition and control of the ocean by the world's powers have begun to take shape, and the most important thing is to march into the deep sea. Although this round of invisible deep-sea secret war seems calm, it hides opportunities, and will have a profound impact on the future global political pattern, military strategy and international relations. At the same time, controlling the deep sea is crucial to winning land wars, air warfare and even space warfare will also be of decisive significance.
The above paragraph highlights the key points and future trend of deep sea secret war.