Info. on P-51 Mustang shot down over USA?
I've never heard of any P-51 Mustang being shot down over the US during World War 2. I do know there were training accidents, but I've not heard of any involving friendly fire, but I don't think it impossible. Gunnery training did incorporate some specially modified, manned aircraft such as the Bell RP-63 Kingcobra Pinball which had extra armour, special sensors, and a lighting system in the nose to record successful hits by frangible, coloured bullets, but there's no record of a P-51 Mustang being used in this way.You may want to pose the question at the forums listed below.