Sgt. Justin A. Officer, 26, of Wichita, Kansas, died September 29, 2010, in Kandahar province, Afghanistan, of wounds suffered when insurgents attacked his unit using an improvised explosive device. Sgt. Officer was assigned to 1st Squadron, 75th Cavalry Regiment, 2nd Brigade Combat Team, 101st Airborne Division (Air Assault), Fort Campbell, Kentucky. </d