Do you know what Gal Gadot, Hugh Hefner and MC Hammer share in common? All of these stars — and many more — once served their country as members of the Marines, Air Force and other divisions of the military.

Before becoming Wonder Woman, Gadot taught gymnastics and calisthenics as a combat instructor for the Israeli Defense Forces; Golden Girls star Bea Arthur became one of the first to join the Women's Reserve amid her time as a Marine; and even Girls alum Adam Driver was inspired to enlist following the September 11 attacks.

Scroll down to see find out which other celebrities served their country below.

Celebrities You Didn't Know Served in the Military

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