The GCHQ "doughnut" building is going to be lit up in rainbow colours later as a sign of the intelligence agency's commitment to diversity.
17th May is International Day against Homophobia, Transphobia and Biphobia and GCHQ say they wanted to make 'a bold statement' to show they are in support of their LGBT employees.
At Bletchley Park, Alan Turing’s efforts helped keep Britain safe in war time but he had to keep his sexuality a secret. The legacy of Bletchley Park lives on in GCHQ, but today they say they 'value the talent of our diverse workforce and foster a culture of acceptance.'
Sir John Dermot Turing, the nephew of Alan Turing, said: