Thirteen NATO countries including Turkey are testing state-of-the-art electronic defense systems in a naval exercise, NATO announced Thursday.

The simulated air and missile defense drills are being held off the U.K.’s southern coast and will continue for nearly a week.

“The 6-day Naval Electro Magnetic Operations — or “NEMO” — trials will test how allied navies can defend themselves against anti-ship cruise and hypersonic missiles using state-of-the-art electronic defences,” NATO said in a statement.

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