2LT Walker arrived at Fort Lewis in January of 2004, was assigned to the 555th Maneuver Enhancement Brigade, and deployed to Iraq in support of the 4th Infantry Division until April 2004. Laura was reassigned as a vertical construction platoon leader in the 864th Engineer Combat Battalion (Heavy) upon returning to Fort Lewis. She re-deployed with 1st Platoon, Bravo Company, 864th ECB (H) to Afghanistan in March of 2005. 1LT Walker's platoon expertly constructed force protection, mobility, and life support facilities, and performed quality assurance for local national contracts at Forward Operating Bases Salerno and Guyan. In July 2005, 1LT Walker was selected to be the Executive officer of the 864th battalion Headquarters' Company. En route to her new position, she was assigned to a two-month tour as the Task Force Pacemaker Public Affairs Officer. She wrote several news articles for the Task Force that appeared in several newspapers, to include The Afghanistan Freedom Watch, Defend America, and The Northwest Guardian. Laura was the editor of the Task Force newsletter, The Pacemaker, which is distributed to all of the Soldiers in the Task Force, as well as their family members and Pacemaker's higher echelons.

Laura was killed in action on 18 August 2005 in Delak, Aghanistan. She proudly wore the 4th Infantry Division combat patch on her right shoulder, a distinction she shared with both of her grandfathers from their service with the Division in both World War II and Vietnam. Her awards and decorations include: the Bronze Star Medal, Purple Heart, Army Commendation Medal (1OLC), Army Achievement Medal, National Defense Service Medal, Global War on Terrorism Service Medal, Iraq Campaign Medal, Afghanistan Campaign Medal, Army Service Ribbon, Combat Action Badge, and Air Assault Badge

Proceeds from the 1LT Laura M. Walker bracelet will be donated to the 1LT Laura Walker Memorial Fund.