Walker is currently being held on the USS Peleliu, an amphibious assault ship in the Arabian Sea.

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In October the USS Makin Island, an amphibious assault ship, was the first of 12 hybrid-powered ships to take to the water.

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The Essex is an amphibious assault ship with 23 helicopters aboard, including 19 capable of lifting cargo from ship to shore, as well as about 1, 500 Marines.

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He arrived in New Orleans on Sunday and spent the night aboard the amphibious assault ship USS Iwo Jima, which is docked along the riverfront and serves as a command center.

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The Qingdao review did include an interesting addition to China's fleet, a Yuzhao-class amphibious-assault ship, which could be used to dispatch troops and helicopters over long distances.

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