The 26th annual Rolling Thunder rally brought motorbike enthusiasts out in their thousands in the United States.

The gathering of riders in Washington D.C. aims to help turn the spotlight on the plight of military prisoners of war.

It's also intended to focus attention on troops missing in action.

The bikers assembled in a parking lot at the Pentagon in Virginia.

They headed out together, crossing the Memorial Bridge and finally ending up at the Reflecting Pool facing the Lincoln Memorial on National Mall.

The rally attracts biking enthusiasts from all over the U.S. each Memorial Day weekend.

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