Camp Pendleton, California (CNN) ­- Daniel and Joshua Beans don't spend a lot of time together and don't have much in common. But these brothers share a bond only troops who've marched into battle can fully understand.

Three years ago, Daniel, a Marine corporal, and Joshua, a Marine lance corporal, patrolled the streets of Ramadi, Iraq, together as part of the same infantry unit.

“We were lucky enough to be in the same platoon," Daniel said. “We both traded out being turret gunners and drivers for our respective vehicles.”

After returning home, the Beans brothers said they felt there was still more work to do.

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