Confidence/obstacle course and rappel tower at Fort Knox
Staff Sgt. Silvio Herradora, an instructor with Company B, 399th Regiment (Cadet Summer Training), gets in an L-shape stance on the low wall June 5 at 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)

Photo by: Master Sgt. Ryan Matson |  VIRIN: 220605-A-LD390-006.JPG