Saturday, June 16, 2018

MI6 - Secret Intelligence Service

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MI6’s Secret War - WW2 - Spies & Ties > .

The SIS Building or MI6 Building at Vauxhall Cross houses the headquarters of the Secret Intelligence Service (SIS, MI6), the United Kingdom's foreign intelligence agency. It is located at 85 Albert Embankment in Vauxhall, London, on the bank of the River Thames beside Vauxhall Bridge. The building has been the headquarters of the SIS since 1994. The site on which the SIS building stands had been the location of the Vauxhall Pleasure Gardens in the 19th century.

The building at 54 Broadway, which has a prominent mansard roof, was completed around 1924, when it became the main operating base for the Secret Intelligence Service. During the Second World War it had a brass plaque identifying it as the offices of the "Minimax Fire Extinguisher Company". Sir Stewart Menzies, Chief of the Secret Intelligence Service, had access to a tunnel, which connected 54 Broadway to his private residence in Queen Anne's Gate. Kim Philby, who worked in the building during the war, described it as
a dingy building, a warren of wooden partitions and frosted glass windows...served by an ancient lift.
The building has been used as overflow facility by London Underground, based at 55 Broadway.

In 1964 the Secret Intelligence Service moved out to Century House, a 22-storey office block on Westminster Bridge Road, Lambeth, near Lambeth North and Waterloo stations. SIS's location at Century House was classified information, though The Daily Telegraph reported that it was "London's worst-kept secret, known only to every taxi driver, tourist guide and KGB agent". Century House was described as "irredeemably insecure" in a 1985 National Audit Office (NAO) report with security concerns raised in a survey; the modernist building was made largely of glass, and had a petrol station at its base. Security concerns combined with the remaining short leasehold and cost of modernising the building were important factors in moving to a new headquarters.

The Secret Intelligence Service (SIS), commonly known as MI6, is the foreign intelligence service of the government of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligence (HUMINT) in support of the UK's national security. Human intelligence (frequently abbreviated HUMINT and sometimes pronounced as hyoo-mint) is intelligence gathered by means of interpersonal contact, as opposed to the more technical intelligence gathering disciplines such as signals intelligence (SIGINT), imagery intelligence (IMINT) and measurement and signature intelligence (MASINT).

SIS is a member of the country's intelligence community and its Chief is accountable to the country's Foreign Secretary.

Formed in 1909 as a section of the Secret Service Bureau specialising in foreign intelligence, the section experienced dramatic growth during World War I and officially adopted its current name around 1920. The name MI6 (meaning Military Intelligence, Section 6) originated as a flag of convenience during World War II, when SIS was known by many names. It is still commonly used today. The existence of SIS was not officially acknowledged until 1994 when the Intelligence Services Act 1994 (ISA) was introduced to Parliament, to place the organisation on a statutory footing for the first time.

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