Chuck Lewis, a U.S. Marine Corps and Navy Reserve veteran, poses for a photo during his walk across the country to remind people of the "Cost of Freedom" near Fairchild Air Force Base, Wash., April 12, 2013. Lewis' Walking for the Fallen trek began March 31 in Everett, Wash., and will end Washington, D.C. late September. (U.S. Air Force photo by Airman 1st Class Janelle Patño)