'Gremlin' was a British unrealised signals deception operation modelled on 'Hiccoughs' and designed to discommode the Japanese through the transmission of spurious signals to a notional spy network operating in the Japanese home islands (1944/45).
Basic overview
Start date: 30 November 1943 End date: 30 November 1944
Scope: Minor
Nature: Land, Deception/diversion
Status: Projected