4th Cavalry Multi-Functional Training Brigade Commander Col. James Turner (front left) and 1st Brigade Engineer Battalion, 410th Regiment Observer Coach/Trainer Sgt. 1st Class William Waddell (front right), lead a column of First Army Soldiers across Brooks Field, Aug. 13, here, concluding a three-mile run. The run included every unit on Fort Knox and kicked off the post's Centennial Week celebration. (U.S. Army photo by Sgt. 1st Class Gary J. Cooper)