One hundred years of GCHQ with Liz Bruton and a 'Top Secret' exhibition.

Available for over a year

Top Secret is a new free exhibition at the Science Museum which coincides with the 100th anniversary of GCHQ – the UK’s Intelligence, Security and Cyber agency. The exhibition explores over a century’s worth of communications intelligence through hand-written documents, declassified files and previously unseen artefacts from the Science Museum and GCHQ’s historic collections.