Johnny Cash

Served in: U.S. AirForce
Rank: E-1
Best Known For: “Ring of Fire,” “Walk the Line,” “Hurt”
Est. Net Worth: $60 million

Johnny Cash was a prolific singer, songwriter, and author, and one of the best-selling country music artists of all time. Throughout his career, he sold more than 90 million records worldwide. Most of his songs are based on sorrow, redemption, rebelliousness, and moral tribulation.

This legendary country performer also served in Airforce blues. He joined the airforce when the Korean war began. After he completed basic military training, Cash was assigned to the 12th Radio Squadron in Air Force Security Services. After that, He considered continuing his career in the music industry, and the rest is history.