Before the fame and fortune, these celebrities wore their uniforms with pride.

Hollywood has produced heroes in the form ofSupermanandBatman, but not all heroes wear capes.

Many of them wear uniforms with pride in serving their country.

Elvis Presley, wearing a light-colored shirt, is captured in a close-up shot, looking slightly to the side

In fact, many celebrities enlisted in the US military before and after fame.

FormerNFLstar Pat Tillman declined a contract with the Arizona Cardinals to join the military after 9/11.

Others, like Drew Carrey andIce-T, served before embarking on legendary careers.

Montel Williams smiling, dressed in a checkered blazer, white shirt, and standing with arms crossed

These 19 celebrities have surprising backgrounds in the US miliary.

Man with long hair, wearing a plain T-shirt, on a sports field background

Adam Driver, Ana de Armas, and Aubrey Plaza at a red carpet event. Adam in a white tuxedo, Ana in a floral-embellished gown, and Aubrey in a cream-colored dress

An elderly man in a dark suit with an earring looks toward the camera

Jimi Hendrix is seated, holding a model cannon. He is dressed in a decorated jacket and a scarf around his neck

Bea Arthur stands with her arms crossed, wearing a patterned robe and a light-colored scarf, in a room with wall lamps

Leonard Nimoy waves on the red carpet at the "Star Trek Into Darkness" premiere, wearing a black shirt and jacket

Ice-T stands on stage holding a microphone, wearing a baseball cap and hoodie during a performance

Drew Carey is smiling, wearing black glasses, a light blue shirt, a patterned bow tie, and a light grey suit

George Carlin holds a microphone and gestures with his other hand while performing on stage. He is wearing a plain long-sleeved shirt

Man wearing a white t-shirt, blue jeans, a headband, and a gold cross necklace, squatting with hands up in a playful pose in an urban setting

Jennifer Marshall with long, curly hair, smiling and wearing a buttoned shirt, stands outdoors with greenery in the background. Names not known

Shaggy sits in a chair wearing a light sweater, sunglasses, and ripped jeans, with arms raised and talking into a microphone at a SiriusXM event

A woman poses on the red carpet at a T.J. Martell Foundation event. She is dressed in an all-black outfit with a long top, black pants, and matching sandals

Older man wearing a suit and tie, standing on a red carpet at an event

Mel Brooks at the TCM Classic Film Festival, wearing a white shirt with a black blazer and a red pocket square, smiling for the camera

Man on Streamy Awards red carpet wearing a brown leather jacket over a black turtleneck and black pants