Steven Walker, a Killeen, Texas, native, who works as a welder with General Dynamics, welds additional armor onto an M1-A2 Abrams tank in a warehouse at Camp Taji, Feb. 16. The tank which will be used by Soldiers in the 1st Battalion, 68th Armor Regiment, 3rd Brigade Combat Team, 4th Infantry Division, Multi-National Division — Baghdad, is being modified with the Tank Urban Survivability Kit, which increases the level of safety and precision in the Silver Lions' current area of operations.