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Two people were arrested after allegedly unsuccessfully attempting to enter HM Naval Base Clyde in Scotland on Thursday, authorities confirmed to Fox News Digital. 

One suspect was an Iranian man, while the other was a woman of unknown nationality, The Telegraph reported.

"Around 5pm on Thursday, 19 March, 2026, we were made aware of two people attempting to enter HM Naval Base Clyde," Police Scotland said in a statement to Fox News Digital. "A 34-year-old man and 31-year-old woman have been arrested in connection and enquiries are ongoing."

The Telegraph reported that the man was Iranian, while the woman's nationality was not immediately known. Citing the Times, the Telegraph said the suspects were turned away from the base because they lacked the correct passes and were later arrested nearby for allegedly "acting suspiciously in the vicinity."

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Nuclear-powered submarine at UK base

HMS Artful, an Astute-class nuclear-powered fleet submarine, is shown at His Majesty's Naval Base Clyde on March 4, 2025, in Faslane, Scotland. (Jeff J Mitchell/Getty Images)

A Royal Navy spokesperson said in a statement to Fox News Digital, "Police Scotland have arrested two people who unsuccessfully attempted to enter HM Naval Base Clyde on Thursday 19 March. As the matter is subject to an ongoing investigation, we will not comment further."

HM Naval Base Clyde — commonly known as Faslane — is considered the primary base for the United Kingdom's missile fleet.

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Exterior view of His Majesty's Naval Base Clyde in Scotland

A general view of His Majesty's Naval Base Clyde on March 4, 2025, in Faslane, Scotland. (Jeff J Mitchell/Getty Images)

The Royal Navy says the base is home "to the core of the Submarine Service, including the nation's nuclear deterrent, and the new generation of hunter-killer submarines."

The U.K. Parliament says the Royal Navy currently operates a fleet of nine submarines, with the entire fleet based at HM Naval Base Clyde.

UK submarine outside HMNB Clyde base

His Majesty's Naval Base (HMNB) Clyde, also known as Faslane, hosts the UK's nuclear submarines which are armed with Trident missiles and serve as the UK's nuclear deterrent. (Jeff J Mitchell/Getty Images)

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"Five of those are conventionally-armed nuclear-powered attack submarines of the Astute class. A further four are ballistic missiles submarines (SSBN) of the Vanguard class that comprise the UK’s submarine-based nuclear deterrent," it added.