Nellie Bagley embraces Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, at the National Memorial Day Concert in Washington, D.C., in May. In 2006, Bagley's son Jose's Humvee was hit by a grenade — and now he can't talk, walk, eat or move most of his body. But Bagley has fought for his rights and for resources from the Department of Veterans Affairs. Chad J. McNeeley/Department of Defense hide caption

itoggle caption Chad J. McNeeley/Department of Defense

Zack Halander hugs his stuffed "Daddy doll." Courtesy the Halander family hide caption

itoggle caption Courtesy the Halander family

Lt. James Wende (right) with Fox Company, 2nd Battalion, 8th Regiment, keeps a watchful eye on his Marines while on patrol in Helmand province in southern Afghanistan. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Battalion Chaplain Gary Lewis says a prayer over the Stryker where Spc. Aaron Aamot and Spc. Gary Gooch died the previous day. The wheels were still burning, and the soldiers later had a difficult time pulling the massive vehicle out of the blast crater. Graham Smith/NPR hide caption

itoggle caption Graham Smith/NPR