Who protects us by sea? The US Navy The navy keeps our country safe by water--and under the water too They protect US ships and submarines when traveling. From recruit training to life at sea, take a look inside the US Navy to learn what it takes to be a sailor.
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What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.
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