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Appendix 4 - GCHQ Organisation ln 1970<br />

I<br />

Directorate of<br />

SIGINT Plans (P)<br />

I<br />

Director of Plans<br />

and Policy Staff<br />

Director<br />

Joe Hooper<br />

Directorate of<br />

SIGINT Operations<br />

and Requirements<br />

Principal Establishment<br />

- Officer (D)<br />

LSIB/LSIC Secretariats<br />

Directorate of<br />

Organisation and<br />

Establishment (DOE)<br />

Chief Scientist<br />

Director of<br />

Communications<br />

LSIB & LSIC<br />

LCSB<br />

I<br />

Emissions<br />

Advisory Panel<br />

Communications Electronics Security Group<br />

(merged with GCHQ 1969)<br />

Statistical Operations<br />

and Traffic Analysis (S) -<br />

Requirements I<br />

Liaison & Foreign (Z) -<br />

Communications<br />

and ComCentre (W) -<br />

Search Technology (U) -<br />

Joint Technical<br />

Language Service -<br />

Special SIGINT<br />

I- [Russia] (J)<br />

I- General SIGINT (K)<br />

I- Cryptanalysis (H)<br />

I- Computer<br />

Service (X)<br />

- ELiNT Analysis (T)<br />

Overseas<br />

I- Staff (C)<br />

Establishments<br />

I- & Personnel (E)<br />

Finance &<br />

I- Supply (F)<br />

I- Technical (Q)<br />

Management &<br />

I- General (G)<br />

Mechanical<br />

I- Engineering (M)<br />

L Division-<br />

T Division-<br />

Joint Speech<br />

Research Unit -<br />

'- Security (R)

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