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MYSTERY surrounds a spy boat washed up near the home of the UK’s nuclear submarine base.

The £300,000 solar powered vessel was found on the coast of the remote Scottish island of Tiree but has yet to be claimed by any country.

The boat was found washed up on the island of Tiree
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The boat was found washed up on the island of TireeCredit: MCA

Beach combers on the island called the Coast Guard after coming across the strange looking vessel wedged between two rocks.

The boat has since been identified as a Wave Glider spy vessel that is only used by the US Navy and the Royal Navy

But still no country has come forward to claim the American-made unmanned boat.

The 10ft long craft resembles and is covered in antennae and solar panels.

The dark grey vessel does not have any navigation lights, which is a legal requirement for all ships at sea which and has led to suggestions it was on an intelligence gathering mission.

In a further twist, there has been some suggestion the vessel could in fact be a Russian clone.

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So far the vessel has remained unclaimed
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So far the vessel has remained unclaimed Credit: MCA
A Royal Navy submarine at Faslane
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A Royal Navy submarine at Faslane Credit: Universal News & Sport (Europe)

The Russian Navy has developed a near-clone of the Wave Glider called Fugu in 2016, which might explain why it has not been claimed.

Naval sources believe the spy boat could have been deployed by the Russians to spy on British nuclear submarines, the Mirror reports.

Tiree is 100 miles away from the Faslane but is on the route submarines would take on their deployment to the North Atlantic.

According to , the craft is designed to self-deploy over thousands of miles and carry a small payload. 

There is a surface element, which looks like surfboard laden with solar panels for electricity and satellite communication.

About 20ft below the surface and connected to the float by a tether is the second element, a small sub with six flexible wings or fins.

The wings convert the vertical movement into forward thrust and as waves move the float up and down, they drag the sub, too.

The boat only has a speed of one or two miles per hour but solar power gives the Wave Glider almost unlimited endurance.

A Wave Glider – which was originally designed to track whales - has crossed the 9,000-mile expanse of the Pacific.

The vessel was discovered on September 28th by Tiree Coastguard.

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“The team were called today to reports of an object in the water, once on scene we secured the item,” they said in a message posted at the time.

"We are currently trying to find out some more information as to the object’s origin and owner. If anyone has any information please get in touch.”

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