This date and construction iers (i e Hull Numbers) of all vessels include the contract are to be declared to the classification by the party applying assignment of class for a new building.

其合同（涉及所有船舶）日期和船舶建造工程号（如船厂编号）应由申请建造入级的申请方向入级船级社提出书面声明。

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The Pentagon has reported rising overall numbers of Chinese naval vessels in recent years as well as a greater proportion of which the U.S. considers modern.

WSJ: China Adds Aircraft Carrier to Its Navy

Regardless of current names, flags and shell companies, these vessels can be identified by their unique seven-digit hull numbers, known as IMO numbers, which are issued for the lifetime of a ship.

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