FSB Federal Security Service (formerly known as KGB) [Russia]
GCHQ Government Communications HQ (equivalent to NSA) [UK]
GCSE General Certificate of Secondary Education (high school qualification; not to be confused with GCHQ) [UK]
GRU Russian Military Intelligence [Russia]
JIC Joint Intelligence Committee [UK]
KCMG Knight-Commander of the Most Distinguished Order of St. Michael and St. George (honors service overseas or in connection with foreign or Commonwealth affairs) [UK]
KGB Committee for State Security (renamed FSB in 1991) [Russia]
THE LAUNDRY Formerly SOE Q Department (spun off as a separate organization in 1945) [UK]
MI5 National Security Service (also known as DI5) [UK]
MI6 Secret Intelligence Service (also known as SIS, DI6) [UK]
NEST Nuclear Emergency Support Team [US]
NKVD Historical predecessor organization to KGB (renamed in 1947) [USSR/Russia]
NSA National Security Agency (equivalent to GCHQ) [US]
OBE Order of the British Empire (awarded mainly to civilians and service personnel for public service or other distinctions) [UK]
OCCULUS Occult Control Coordination Unit Liaison, Unconventional Situations [UK/NATO]
ONI Office of Naval Intelligence [US]
OSA Official Secrets Act (law governing official secrets) [UK]
OSS Office of Strategic Services (disbanded in 1945/remodeled as CIA) [US]
Q DIVISION Division within the Laundry associated with R&D [UK]
QINETIQ See DERA [UK]
RIPA Regulation of Investigatory Powers Act (law governing communications interception) [UK]
SAS Special Air Service (British Army special forces) [UK]
SBS Special Boat Service (Royal Marines special forces) [UK]
SIS See MI6 [UK]
SOE Special Operations Executive (equivalent to OSS, officially disbanded in 1945; see also the Laundry) [UK]
TLA Three Letter Acronym [All]
