B61-12 (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories technologists Curt Tenorio, left, and Jessie Fowler install instrumentation on a B61-12 test unit for a vibration and shaker-shock test before the COVID-19 pandemic. Credit Randy Montoya, Sandia National Laboratories Usage Restrictions For use with media coverage about the first production unit milestone. License Original 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.