From great World War II AAF film outtakes, watch the big 37mm cannon in the nose of two P-39s as it fires and recoils. An early four-gun .30-caliber machine gun nose set-up is also seen on one of the Airacobras. Here are some more P-39 films and videos: Want more vintage and new fighter aircraft? Check out the Fast Fighters Playlist on Airailimages:
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