Priscilla Nuclear Test (IMAGE) American Geophysical Union Caption The 37 kiloton 'Priscilla' nuclear test, detonated at the Nevada Test Site in 1957. Credit US Department of Energy Usage Restrictions credit 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.