COLORADO SPRINGS, CO. FEBRUARY 27: U.S. Paralympic Sled Hockey Team athlete Josh Sweeney does push ups prior to the team's final U.S. based practice at the Sertich Ice Arena in Colorado Springs, Colorado on February 27, 2014.  Sweeney, is one of four athletes on the team who has served, or is currently serving in the United States Armed Forces. The team travels to Sochi, Russia this week to begin defense of their 2010 Paralympic gold medal at the 2014 Paralympic Winter Games in Sochi, Russia. (Photo by Jason Connolly/Getty Images)