Tech. Sgt. Starr Williams, 633rd Medical Group physical therapy flight noncommissioned officer-in-charge, shows Staff Sgt. Iesha Ashley, 633rd Medical group physical therapy technician, the affects of the anti-gravity treadmill at Langley Air Force Base, Va., Oct. 25. Complex and bulky equipment like the treadmill can fit inside the new clinic, giving personnel more options when treating a patient. (U.S. Air Force Photo by Airman 1st Class Austin Harvill/Released) (Badge blurred for security reasons)