Seth Walton uses a pressurized ionization chamber to assess the radiation dose rate of a container holding radioactive material outside of the Air Force Radioactive Recycling and Disposal facility, Dec. 1, 2021 at Wright-Patterson Air Force Base, Ohio. Radiation dose rate measurements are taken to ensure they fall below the U.S. Department of Transportation’s allowable rate in order to ship low specific activity packages. (U.S. Air Force photo by Jaima Fogg)