He was killed during combat in Paktika province, Afghanistan.
Walker was assigned to the 1st Battalion, 502nd Infantry Regiment, 2nd Brigade Combat Team, 101st Airborne Division out of Fort Campbell, Kentucky.
His decorations include: Army Good Conduct Medal, National Defense Service Medal, Afghanistan Campaign Medal with one Bronze Service Star, Global War on Terrorism Service Medal, Army Service Ribbon, NATO Medal, Combat Infantryman Badge, Air Assault Badge.
