Back in March, this retired Marine sniper and veteran of three combat tours in Iraq started his hike in Georgia. The trek will take him the entire Appalachian Trail, all 2,180 miles. (Originally aired July 21, 2016) More Service and Sacrifice stories, here: https://www.wbir.com/service-and-sacrifice Subscribe to WBIR for exclusive content: https://www.youtube.com/c/WBIR10 WBIR Channel 10 in Knoxville, Tennessee produces award-winning, community-centered content "Straight From The Heart" of East Tennessee. We strive to be good citizens, to do what is right, and to be fair and honest. We care. Follow WBIR on Social: Facebook: https://www.facebook.com/WBIRChannel10 Twitter: https://twitter.com/wbir Instagram: https://www.instagram.com/wbirchannel10/