caption serviceyears branch commands death_place death_date birth_place allegiance awards placeofburial_label battles birth_date placeofburial rank image article_title name
joseph rochefort 1918-47 , 1950-53 25px united states navy station hypo torrance , california , usa july 20 , 1976 -lrb- aged 76 -rrb- dayton , ohio , usa united states of america navy distinguished service medal presidential medal of freedom place of burial world war ii korean war may 12 , 1900 inglewood park cemetery , inglewood , california , usa 20px captain joseph rochefort.jpg joseph rochefort
 joseph john rochefort
joseph rochefort

joseph john rochefort -lrb- may 12 , 1900 -- july 20 , 1976 -rrb- was an american naval officer and cryptanalyst .
his contributions and those of his team were pivotal to victory in the pacific war .
rochefort was a major figure in the united states navy 's cryptographic and intelligence operations from 1925 to 1946 , particularly in the battle of midway .
