On the same day 29 years ago, on December 28th, 1996 (November 18th, 1996), the first defense mobilization ship appeared. On December 28th, 1996, with a long flute, a 20 meters long, 18 meters wide, 40 meters high, a million-ton giant ship slowly moved from Shanghai Huangpu River port, China's first million-ton defense mobilization ship was officially delivered. The ship has sea training, helicopter training, medical training, defense mobilization exercises and cargo various functions. By adding various container modules, it can quickly convert a civilian transportation ship into a variety of military supporting vessels used in the war. After adding the container medical module, the ship became a "sea hospital", the size of which is equivalent to an aerospace center on the land, with hundreds of advan