Iraqi and Afghanistan war veterans take part in skiing with No Boundries in Winter Park, Colorado.

WINTER PARK, CO - MARCH 12: Michael Cain, a Iraq war veteran and double amputee, gets help getting into his mono-ski from instructors Marty Wolf, left and Dan Romcevich, right, at Winter Park, Colorado on March 12, 2014. This was only Cain's second day ever of skiing. Disabled veterans were brought out by an organizatoin called No Boundries to spend a week in the mountains taking part in a variety of physical activities such as downhill skiing, snowmobiling, sled hockey and a biathlon of cross country skiing and shooting in Winter Park, CO on March 12, 2015. For these veterans, some of whom are bi-lateral amputees, have never skied before. Some snowboaded while others learned how to use a mono-ski. He was a staff sargeant in the 299th Engineers, 4th infrantry division out of Fort Hood. His first deployent was in 2003. (Photo By Helen H. Richardson/The Denver Post via Getty Images)