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BRUSA COMSEC CONFERENCE 

LONDON 

1953 

General Information 

Declassified and approved for release by NSA on 05-21-2014 pursuantto E.O. 1352a 
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DIRECTORY OF CONFERENCE 

NAME REPRESENT.ING 

GCHQ 

Admiralty 

.ANDERSON, Lt.Col. J.M. US.AF 

AUSTIN, F.C. 

BARIDW, H.C. 

BECK, H.M. 

GCHQ 

NSA 

SRDE 

NSA 

GCHQ 

BJSM 

USN 

GCHQ 

Director of 1Iilitary 

Intelligence, War 

Office 

Director of Signals, 

War Office 

Member of Cypher 

Policy Board 

Director of Naval 

Irttelligence, 

Admiralty 

Member of Cypher 

Policy Board 

BUSmESS TELEPHONE 

Cheltenham 

Whitehall 94J+l+. 

231 

Christchurch j030 

Cheltenham 

Cheltenham 

Whit,ehall 9400 

Whitehall 9400 

Whitehall 1234 

Whitehall 1 234 

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DIRECTORY OF CONFERENCE 

NAME: REPRESENTING 

SCDU 

CPB 

CHIIES, J .R. NSA 

CHILTON, Lt.Col. F. USN 

CHITI'ENDEN, T.R. 

COOPER, J.E.S. 

ERICKSON, B.G. 

ERSKINE, W.H. 

SRDE 

NSA 

SCDU 

OPB 

Assistant Director, 

GCHQ 

CPB 

ASRE 

Assistant Chief of 

Air Staff (Sigs.) 

Air Mmi:::;try 

CPB 

CPB 

GCHQ 

Deputy Director, 

Sig.Div., Admiralty 

NSA 

NSA 

BUSINESS TEIEHIONE 

Gladstone 3376 

240 

Christchurch 1030 

Gladstone 3376 

229 

204 

TI"afalgar 8811 

228 

235 

Chel ten.ham 

Whitehall 9000 

PL 86-36/50 USC 3605 
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NAME 

FRIEDMAN, W. F. 

GETCHELL, Maj • W. M. 

GRIMM, F.T. 

DIRECTORY OF CONFERENCE 

REPRESENTING 

SCDU 

Director, Sig.Div.~ 

Admiralty 

Assistant Chief of' 

Air Staff' (Intell.) 

Air Ministry 

Head of' U.S. 

Delegation 

U.S • .Army 

SRDE 

USN 

BJSM 

HARGREAVES, Cmir. J. 0 • , USN 

U .S .N. 

HAYNES, W .A. USN 

IVEY, Maj. F. 

JONES, E.M. 

mm, w .P. 

USAF 

Director GCHt;;l 

NSA 

Air Ministry 

Deputy Director of 

Sigs., Air Ministry 

BUSINESS TEIEHIONE 

Glad.stone 3376 

Whitehall 9000 

234 

Christchurch 1030 

Cheltenham 

Eastcote 

Trafalgar 8811 

Trafalgar 8811 

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DIRECTORY OF CONFERENCE 

NAME REPRESENTING 

IDEHNIS, C. Deputy Director GOHQ 

GOHQ 

AirMmistry 

MARSH.ALL.• Lt, Col. F. USAF 

Adm'in. Of'f'icer 

War Of'f'ice 

GCHQ 

CPB 

Deputy Director of' 

Sigs. , War Of'f'ice 

GCHQ 

CPB 

.Admiralty 

Meteorological 

Service, Air 

Mmistry 

Admiralty 

Director Radio and 

Teleconmrunications 

Security Agency 

GCHQ 

BUSINESS TEIEPHONE 

EastcotPCheltenham 

Traf'algar 8811 

221 

Whitehall 94-00 

Cheltenham 

202 

Whitehall 94-00 

Cheltenham 

Whitehall 9000 

Whitehall 9000 

202 

Cheltenham 

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NAME 

PULLING~ Col. B.S. 

SMALL, A.W. 

STUKEY, H.J. 

WOLF.AND, D. 

ZELIER, Lt.Col. vr.F. 

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DIRECTORY OF CONFERENCE 

REPRESENTING 

GOHQ 

Senior U.S. Liaison 

Off'icer, OOHQ 

GPO 

War Office 

Chairman, CyphP-r 

Policy Board 

U.S. Army 

Air Ministry 

BJCEB 

OOHQ 

NSA 

U.S. Army 

SCDU 

Air Ministry 

U.S. Liaison Officer 

GCHQ 

--------

BUSINESS TELEPHONE 

Cheltenham 

:Mayfair 9222 

Hqrs. 1234 

Whitehall 9~00 

Ch:l'.'i~tchurch 1030 

Lee Green 9100 

Whi teha11· ... 9J+l..4. 

Cheltenham 

Gladstone 3376 

Trafalgar 8811 

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ABBREVIATIONS 

- Admiralty Signals Research Establishment 

- British Joint Services Mission 

.ASRE 

BJSM 

BJCEB 

CPB 

GCHQ 

GPO 

NSA 

SCDU 

SRIE 

- British Joint Communications-Electronics Board 

- Cypher Policy Board Secretariat 

- Government Conmrunications Headquarters 

- General Post Office - National Security Agency 

- Services Conmrunication Development Unit 

- Signals Research & Development Establishment 

LOCATION OF CONFERENCE 

Meetings will be held at 8, Palmer Street, Victoria Street, 

I.cndon, S.W.1. (Telephone .ABBey 7800). A sketch map is included 

at the end of this booklet. 

AU.OTMENT OF ROOMS 

Nos. 109~ 1st Floor 113 

Conference Rooms 

209 2nd Floor 

Head of U.S. Delegation: No. 105 (Phone 234) 

Nos. 205 ( " 218) 

212 ( II 203) 

U.S. Delegates: 

• 
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TEIEPHONE PROCEDURE 

The switchboard is manned cont:inuously f'rom 0915 hrs. to 

1800 hrs. Monday to Friday, Saturdays 0915 to 1245. 

To call anyone :in the build:ing dial the extension shown aga:inst 

the :individual's name :in the directory. 

To call anyone outside the build:ing dial 0 and ask f'or the 

exchange and number required. 

In case of' dif'f'iculty dial O. 

To recall operator press 'Recall' button twice. 

Telephone Security 

The utrmst discretion must be exercised in discussing official 

matters over any telephone line. Pri vate=wires are nnre secure than 

public lines only in that they cannot be m:mitored by public exchange 

operators. They are subject to monitor:ing by PBX operators and 

engineering staff and to a lesser extent to overhearing by the public 

due to faults. 

Users of 1 privacy1 telephones should always bear in rrdnd that 

such equipment provides limited security against casual overhearing 

only. It does not offer protection against deliberate interception. 

Night Service 

Af'ter 1800 hrs. calls to outside numbers may be obtained on 

extension 203 :in Room 212. It is only necessary to lift the receiver 

and wait f'or the operator to answer. 
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