Please answer the following question: What type of details about william crumm can be gathered from the following bio? Bio: william joseph crumm -lrb- september 20 , 1919 -- july 24 , 1967 -rrb- , was a united states air force major general who was killed in july 1967 , during the vietnam war . general crumm commanded the 3d air division from 1965 until his death in a b-52 mid-air collision with another b-52 bomber over the south china sea . general crumm was the first american general officer and the first of two air force general officers -lrb- pilots -rrb- who were killed during the vietnam war .
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