GCHQ
@GCHQ
The UK's intelligence, security and cyber agency, helping to keep the UK safe online and in the real world. Follow the cyber security arm of our mission @NCSC.
12-01-2016 16:19:05
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#OnThisDay in 1940 the #BattleOfBritain reached its climax.
Our predecessors at the Government Code and Cypher School @BletchleyPark played an important part in helping the Royal Air Force to defend our skies
#BattleOfBritain 80