GALLERY: Artists Who Served in the Military 12 of 15

Josh Gracin

Image courtesy of Paul Warner / WireImage

American Idol alum Josh Gracin, who finished fourth overall on the second season of the popular singing competition, joined the cast of the show while he was still part of the U.S. Marine Corps. After being discharged in September 2004, Gracin signed his record deal and released his self-titled debut album.

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