49 years ago today, July 5, 1976 (Lunar Calendar June 9, 1976), China's first ocean science investigation. July 5, 1976, China's million tons ocean science investigation ship "to the Sun V" and "to the Sun 11", recently successfully conducted China's first ocean science investigation in the Pacific, obtained a large number of multidisciplinary first-hand data, contributed to the development of China's ocean science cause.