SakshiGene Roddenberry
The creator of Star Trek Gene Roddenberry joined the army in 1942 just after finishing his college. He worked in the 394th Bomb Squadron while being placed at Hawaii. He surely did not have a smooth running stint in the air force. He met many accidents and the one in which his plane got completely mangled causing two of his mate death, takes the cake.
Jesse Ventura
He has been a professional wrestling star, an actor, a politician and now a media personality. Wait, are we missing out on something? yes, this versatile personality has also served in the US Navy. Before establishing himself as a WWE star he had participated in the Vietnam War while being stationed in the Philippines. He had been trained as a Navy Seal.