Michael Novakhov retweeted:
OTD Nov 1,1919 #Government_Code_and_Cypher School (#GC&CS) founded predecessor organization of #GCHQ. Boasts staff of 25 cryptographers.
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Michael Novakhov retweeted: OTD Nov 1,1919 #Government_Code_and_Cypher School (#GC&CS) founded predecessor organization of #GCHQ. Boasts staff of 25 cryptographers.
Michael Novakhov retweeted:
OTD Nov 1,1919 #Government_Code_and_Cypher School (#GC&CS) founded predecessor organization of #GCHQ. Boasts staff of 25 cryptographers.