An attempted breach at HM Naval Base Clyde in Scotland led to the arrest of two individuals on Thursday, authorities informed Fox News Digital. The incident involved an Iranian man and a woman whose nationality has yet to be determined, according to The Telegraph.

Police Scotland released a statement regarding the incident: “At approximately 5pm on Thursday, 19 March 2026, we were notified of an attempt by two individuals to enter HM Naval Base Clyde. A 34-year-old man and a 31-year-old woman have been detained, and investigations are ongoing.”

As reported by The Telegraph, the man was identified as Iranian, while details about the woman’s nationality remain undisclosed. The Times further noted that the pair was refused entry due to a lack of proper credentials and were subsequently apprehended nearby after reportedly exhibiting suspicious behavior.

The backdrop to this incident includes HMS Artful, an Astute-class nuclear-powered submarine, stationed at His Majesty’s Naval Base Clyde as of March 4, 2025, in Faslane, Scotland. (Photo courtesy of Jeff J Mitchell/Getty Images)

A Royal Navy representative conveyed to Fox News Digital, “Two individuals were arrested by Police Scotland following an unsuccessful attempt to enter HM Naval Base Clyde on Thursday, 19 March. As the investigation is still active, no further comments will be made at this time.”

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.

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.

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

“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.