NASA's Battery-operated Independent Radiation Detector (IMAGE) University of Houston Caption The Battery-operated Independent Radiation Detector (BIRD) flight unit scheduled to fly on the first flight test of the Orion module. Inside the BIRD flight unit are two identical Timepix detectors, each with their own battery pack. Credit Courtesy of NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.