Iraq war veteran Troy Yocum, holding the drum, is accompanied by friends and family as he walks 7,000 miles across the country in a charity outreach effort dubbed the "Drum Hike," aimed at raising $5 million for struggling veterans and their families. Pictured at Camp Atterbury in front of the RV that was donated to them for their 7,000-mile "Drum Hike" are Vietnam War veteran and two-time Purple Heart Medal recipient Dallas Wittgenfeld, holding the American flag and specially made Drum Hike flag, Yocum's wife Mareike, holding Yocum's trained therapy dog Emmie, and Terry Carmickle, emergency medical technician and longtime friend.