Four months before he was involved in a deadly firefight that earned him a Distinguished Service Cross,  then-2nd Lt. Walter Bryan Jackson is shown on May 22, 2006 patrol in Iraq.  Photo courtsey Walter Bryan Jackson

Four months before he was involved in a deadly firefight that earned him a Distinguished Service Cross, then-2nd Lt. Walter Bryan Jackson is shown on May 22, 2006 patrol in Iraq. Photo courtsey Walter Bryan Jackson