U.S. Military Submarines (U.S. Military Technology)

Barbara Susan Alpert（Author）, Raymond L. Puffer PhD（Consultant Editor）

出版社：

出版时间：

ISBN：9781429684408

词汇量：513

页数：32

类别：

虚构：非虚构

开本：

阅读年龄：阅读年龄 7-8岁 (40.0%), 9-10岁 (40.0%)

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Submarines travel through the ocean hidden beneath the waves. Subs are used for everything from spying to sneak attacks. Learn more about these underwater vessels, including the weapons they carry, how they find their way around under the sea, and the missions they face.

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