John Fogerty Wikipedia. Fogerty received his draft notice for military service during the Vietnam War in 1966. The same day he received the notice, he went to a local United States Army Reserve recruiter, who signed him up immediately for training as a supply clerk. Fogerty believes the recruiter dated the paperwork to take. See more

John Fogerty Wikipedia
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Short answer: He did, and although Fogerty wasn't sent to Vietnam, he served in the Army from 1966 to 1968, per Fort Knox News. Military service inspired some of Fogerty's lyrics.