| J |
 |
| 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 |
| Jupiter |
Operational
code name for British plan to invade Norway |
| 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 |
