20, of Chicago; assigned to the 1st Battalion, 502nd Infantry Regiment, 2nd Brigade Combat Team, 101st Airborne Division (Air Assault), Fort Campbell, Ky.; died Feb. 20 in Baghdad, Iraq, of wounds sustained when his vehicle encountered an improvised explosive device on Feb. 19. Also killed were Sgt. Conrad Alvarez and Spc. Micheal B. Matlock Jr.