Operation Trigger
'Trigger' was an Allied plan for the creation in the USA, for training purposes, of a model air-defence sector based on the radar-controlled RAF pattern which had proved so successful in 1940/41 (1942).
'Trigger' was an Allied plan for the creation in the USA, for training purposes, of a model air-defence sector based on the radar-controlled RAF pattern which had proved so successful in 1940/41 (1942).