And, IIRC, O'Hare was a Naval aviator shot-down by "friendly" fire.
Well, he actually got shot at once returning to the Lex but it did little damage. Whether on his last mission the shots came from friendly fire or a Japanese plane were never conclusively determined. The aircraft was never recovered. However, the statements that the shot came from the Betty he was engaged with is more credible than the friendly fire scenario.