Sgt. 1st Class Donald Roshell, a grader during the 800th Logistics Support Brigade's Lanes Training Exercise, observes Sgt. Cody Nonnemacher, 3/319th Logistics Support Battalion, directing a M923 5-Ton Truck driven by Spc. Taylor Narvaez, also of the 3/319th LSB, through the Truck Rodeo portion of the Serpentine course at Fort Knox, Ky., Sept. 14, 2012. Day two of the exercise consisted of a Maintenance Rodeo.