Shawn Williams served 21 years in the Alabama Army National Guard, beginning in 1998 as a culinary specialist. He advanced to First Cook with the 167th FSC and Mess Sergeant with the 1208th QM. His deployments included Operation Noble Eagle in 2001 and Operation Enduring Freedom in Afghanistan, where he served as Truck Commander and NCOIC of the Personal Security Detail for Echo Company 1/167th Infantry.