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Trace Adkins cheers for USO volunteer Roland Forand as he’s honored during Tuesday’s celebration at the Grand Ole Opry.

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Charlie Daniels performs at Tuesday’s celebration of the USO’s 75th anniversary at the Grand Ole Opry.

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Lee Greenwood honors Claude “Dutch” Mann, a World War II veteran, on Tuesday during the Grand Ole Opry’s celebration of the USO’s 75th anniversary.

The USO does thousands of little things for service members every day. And over 75 years, it’s learned how to put on quite a show, too.

But on Tuesday night, it was the Grand Ole Opry leading the way, as some of country music’s biggest stars came out to honor the organization’s 75th anniversary by playing some hits, welcoming service members down the red carpet and even honoring USO volunteers on stage.

Music stars Trace Adkins, Charlie Daniels, Lee Greenwood, Mark Willis and the Oak Ridge Boys performed to a packed house in Nashville. Check out the photos.

You can send a message of support and thanks directly to service members via the USO’s Campaign to Connect. Your messages will appear on screens at USO locations around the world.