https://en.wikipedia.org/wiki/Calvin_Graham
The South Dakota’s gunnery officer, who was involved in handling his case, was Sargent Shriver.
Post military service
In 1978, he was finally given an honorable discharge for his service in the navy, and after writing to Congress and with the approval of President Jimmy Carter, all medals except his Purple Heart were reinstated. His story came to public attention in 1988, when his story was told in the TV movie, Too Young the Hero. He was played by Rick Schroder.[11]
Except the Purple Heart? You can’t be wounded if you’re under 18?