Christopher Meek knew on 9/11 that he would one day give back to the people who risk their lives on behalf of other Americans.

Almost 16 years later, Meek gives back over and over again, helping many courageous citizens walk or stand, through his group that provides exoskeleton devices to paralyzed veterans.

Today, Meek and his organization, SoldierStrong, have donated or funded more than $2 million worth of medical devices, allowing 25,000 spinal cord-injured veterans access to equipment that helps them use their arms or legs.

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Featured image from Steve Campbell Photography.