Confidence/obstacle course and rappel tower at Fort Knox
Staff Sgt. Michael Soto, an instructor with Company B, 399th Regiment (Cadet Summer Training), left, makes an adjustment to the hip rappel seat of Capt. Rebekah Shelton, right, team leader with Co. B, 399th Regt. (CST) June 5 on the CST Rappel Tower on Fort Knox, Ky. Soldiers from 4th Battalion, 399th Regiment, will lead thousands of Reserve Officers' Training Corps cadets from across the country through the confidence/obstacle course and rappel tower at Fort Knox this summer starting in early June. (U.S. Army Reserve photo by Master Sgt. Ryan C. Matson)