Army Spc. Christopher A. Patterson died January 6, 2012 Serving During Operation Enduring Freedomassigned to 81st Troop Command, Indiana National Guard, Indianapolis, Ind.; died Jan. 6 in Kandahar province, Afghanistan, when his vehicle struck an improvised explosive device. Also killed were Staff Sgt. Jonathan M. Metzger, Spc. Robert J. Tauteris Jr. and Spc. Brian J. Leonhardt.