John Walker Lindh was captured in Afghanistan in 2002 after fighting with the Taliban. File Photo/AP hide caption

itoggle caption File Photo/AP

Tilman, Arlington National Cemetery, Arlington, Virginia, 2012 Charlotte Dumas/Courtesy of the Corcoran Gallery of Art hide caption

itoggle caption Charlotte Dumas/Courtesy of the Corcoran Gallery of Art

Brian Castner served as an Explosive Ordnance Disposal officer in the U.S. Air Force from 1999 to 2007, deploying to Iraq to command bomb disposal units in Balad and Kirkuk in 2005 and 2006. Joey Campagna/Courtesy of the author hide caption

itoggle caption Joey Campagna/Courtesy of the author

Capt. Jared Larpenteur plans a combat mission at the 82nd Airborne's Delta Company command center in Ghazni province, Afghanistan, earlier this year. Amy Walters/NPR hide caption

itoggle caption Amy Walters/NPR

Jake Dobberke, 26, a Marine who lost his legs in Afghanistan, watches for turkeys in Potter County, Pa. The LEEK Hunting and Mountain Preserve helps healing young vets explore the wilderness in adaptive hunting gear. Jenelle Pifer/WESA hide caption

itoggle caption Jenelle Pifer/WESA

A U.S. Army honor guard stands at attention during a ceremony to mark Memorial Day, this week at Arlington National Cemetery. Mandel Ngan/AFP/Getty Images hide caption

itoggle caption Mandel Ngan/AFP/Getty Images

Kevin Ross, 31, says the ADAPT parenting program has helped him and his family communicate more effectively. Jeffrey Thompson/MPR hide caption

itoggle caption Jeffrey Thompson/MPR