David Grant USAF Medical Center
Donavon Park and Julie Wagness target a patient's prostate cancer for radiation treatment using a newly-upgraded, $5.7 million linear accelerator Oct. 13, 2010, at the David Grand USAF Medical Center at Travis Air Force Base, Calif. This treatment targets the cancer with pinpoint precision and accuracy. Mr. Park and Ms. Wagness are radiation therapists with the Department of Veterans Affairs at the Joint Radiation Oncology Center. (U.S. Air Force photo/Tech. Sgt. Bennie J. Davis III)