Did you know Tony Bennett once battled Nazis? Or that Morgan Freeman was an airman in the 1950s? It may come as a surprise to know that some of Hollywood's most successful actors, singers and stars once put themselves in the front line to serve their country.

To show our appreciation for these patriots, we’re honoring celebrity veterans who have served in the U.S. Armed Forces, Air Force and other military branches of the United States.

Check out our gallery above to learn which stars you probably didn't know were veterans.