4 rescued from Navy helicopter off Virginia coast

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(CNN) — Four people were rescued after a U.S. Navy helicopter went down off the Virginia coast, the Navy said Wednesday.

The remaining crew member was being sought, it said in a tweet.

The helicopter is an MH-53E, the Navy said on Twitter. It initially misidentified the craft as a CH-53E.

The Navy tweeted that the craft went down off the coast of Norfolk.

The MH-53E Sea Dragon carries no weapons. It has two pilots and a crew of one to six airmen, depending on its mission, according to the Navy.

There are 31 of the aircraft in operation, it said.