Historical Dictionary of British Intelligence

ACRONYMS AND ABBREVIATIONS•xiii

SVR Sluzhba Vneshnei Razvedki (Russian Foreign
Intelligence Service)
SWG Special Wireless Group
TSD Topographical and Statistical Department
UB Urzad Bezpieczenstwa (Polish intelligence service)
UKUSA United Kingdom–United States Security Agreement
VI Voluntary Interceptor
WES Wireless Experimental Station, Delhi
WMD Weapons of Mass Destruction
WOYG War Office Y Group
WRENS Women’s Royal Naval Service
Y Wireless Interception