Thunderbolt! was a 1947 film documenting the American aerial operations of Operation Strangle in early 1944, when American flyers based on Corsica successfully impeded Axis supply lines to the Gustav line and Anzio beachhead. The film begins with an introduction by James Stewart, who notes that the footage was shot in 1944, "ancient history", and reads a message from the commander that, even though the units in the picture happen to be American, it could easily have been an RAF mission, and ind… (More on Thunderbolt)