| Term | Definition |
|---|---|
| Herbstnebl |
"Autumn Mist" - Operational code name for the German offensive in the Ardennes, December 1944 - Also known as The Battle of the Bulge
|
| HIWI |
Hilfsfreiwillige - German Army volunteer forces usually made up of Soviet volunteers
|
| Holocaust |
The act of genocide carried out by Germany on the Jewish population of Europe
|
| Huff-Duff |
HF/DF - High Frequency / Direction Finding - British radio detection system used to pinpoin the direction of broadcasts from German submarines and ships and thus locate the transmitting craft
|
| Humint |
Human Intelligence - Intelligence gathered by spies and informers (as opposed to signals intelligence or SIGINT)
|
| Husky |
Operational code name for the Allied landings in Sicily - July 1943
|
| IA |
Indian Army
|
| Ichi Go |
Operational code name for the Japanese offensive operations in Eastern China - April 1944
|
| IFF |
Identification Friend or Foe - Radio device fitted to aircraft in order to identify the aircraft as friendly when approaching home radar stations
|
| INA |
Indian National Army
|
| Jael |
Operational code name for the Allied deception operations in Europe - later called Plan Bodyguard
|
| JCS |
Joint Chiefs of Staff - US high command, representing US Army and Navy
|
| JIC |
Joint Intelligence Committee - Top intelligence body in both USA and UK
|
| JPS |
Joint Planning Staff - British military planning organization
|
| JSC |
Joint Security Control - US organization, subordinate to the JCS responsible for security/codebreaking/deception operations
|
| Jubilee |
Operational code name for the British-Canadian raid on Dieppe - August 1942
|
| Juno |
Operational code name for one of the D-Day landing areas in Normandy between the Provence River and the town of St. Aubin sur Mer - principally a Canadian landing area
|
| Jupiter |
Operational code name for British plan to invade Norway
|
| Kempei |
Japanese military police
|
| Knickebein |
"Crooked Leg" - German navigational system using radio beams to guide bombers
|
| Kondor Mission |
German espionage operation based in Egypt
|
| Konstantin |
Operational code name for the German occupation of the Balkans areas previously occupied by Italian forces - September 1943
|
| Kriegsmarine |
The German Navy
|
| Kripo |
Kriminalpolizei - German criminal police department
|
| Kutusov |
Operational code name for the Soviet offensive against German forces in the Kursk Salient - July 1943
|