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APPENDIX 2 557<br />

Late 1968<br />

Late 1968<br />

9 Sept. 1968<br />

1969<br />

Jun. 1969<br />

1969<br />

30 Mar. 1972<br />

Apr. 1972<br />

1972<br />

6 Mar. 1973<br />

18 Jun. 1973<br />

Aug. 1973<br />

Aug. 1973<br />

1973<br />

1973<br />

3 May 1974<br />

1974<br />

1974<br />

Feb. 1975<br />

Jul. 1975<br />

Aug. 1975<br />

1975<br />

Dick White review of DIS and JIC in the wake<br />

of Czech invasion<br />

Dick White inquiry into rising sigint costs<br />

Geoffrey Prime begins work at GCHQ's London<br />

Processing Group<br />

GCHQ's nuclear-powered sigint ship project<br />

abandoned<br />

Decision to merge CESD with GCHQ and<br />

change its name to CESG<br />

Arthur Foden becomes Director of CESG,<br />

taking over from Robert Stannard<br />

Kizildere incident: eight GCHQ staff taken<br />

hostage and three killed by TPLA terrorists<br />

JIC (A) delegation meets Groupe de Synthese<br />

et Prevision in Paris<br />

Skynet III decision<br />

Ryolite satellite launched to verify the SALT 1<br />

arms control treaty<br />

Closure of Cobra Mist facility at Orford Ness<br />

announced<br />

Arthur Bonsall becomes Director of GCHQ,<br />

taking over from Joe Hooper<br />

Nixon-Kissinger 'cut-off' of intelligence cooperation<br />

attempted<br />

Transfer of London Processing Group to<br />

Cheltenham begun<br />

James Ellis discovers the asymmetric algorithm,<br />

later the foundation of RSA<br />

First operational flight by a Nimrod Rl<br />

Cyprus invasion by Turkey<br />

US sigint bases in Turkey shut down<br />

Government Secure Speech Network cancelled<br />

Ivy Bells undersea cable-tapping operation<br />

begins using USS Halibut<br />

Work on Diego Garcia expansion begins<br />

GCHQ Mauritius station closed

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