A U.S. sailor assigned to the aircraft carrier USS Theodore Roosevelt died Friday aboard ship while it was sailing in the English Channel, Navy officials said in a statement released Wednesday.

Fireman Amber Latricia Winbourne, 23, died of a sudden cardiac arrest, the statement said. She was an electrician’s mate and her rank was E-3. She joined the Navy in April 2006 and had been serving on the carrier since November, officials said.

Winbourne collapsed Friday while at her work center in the presence of two other sailors. Medical responders arrived immediately to give advanced cardiac life support. She was taken to the ship’s medical facility where lifesaving efforts continued without success, according to the statement.

The cause of the cardiac arrest is unknown at this time, officials said.

The ship was en route to Portsmouth, England, at the time of the incident. Winbourne’s remains will be transferred from the Roosevelt and delivered to Dover, Del.

The carrier is wrapping up its deployment, now sailing in the 6th Fleet area of operations. It recently returned from conducting missions in support of the war in Afghanistan.

A memorial service will be held on the carrier in the coming days, said Lt. Cmdr. Mike Kafka, the ship’s spokesman.

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