Cpl. Jonathan M. Walls, 27, of West Lawn, Pennsylvania, died August 1, 2009, in Mushan Village, Afghanistan, of wounds sustained when insurgents attacked his patrol with improvised explosive devices and rocket-propelled grenades. Cpl. Walls was assigned to the 1st Battalion, 12th Infantry Regiment, 4th Brigade Combat Team, 4th Infantry Division, Fort Carson, Colorado. </d