She also was the first African-American woman to command a naval ship.

她也是第一位指挥军舰的非裔美国女性。

At the height of his power, Mansvelt allegedly commanded 15 ships with 500 men.

据称，在他权力的巅峰时期，曼斯维尔特曾指挥过15艘舰船和500人。

They study all about boats and fighting and about geography; they visit other countries and learn to command ships.

他们学习与舰船、作战以及和地理相关的知识；他们出访其他国家，学习指挥舰船的本领。

Admiral Erich Bey had never  commanded a ship of this size before, and due to the time of the year,   only a skeleton crew was aboard.

埃里希·贝海军上将此前从未指挥过如此规模的舰艇，而且由于当时的时间原因，船上只有骨干船员。