B61-12 Acoustic (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories’ Ryan Schultz adjusts a microphone for an acoustic test on a B61-12 system. The unit is surrounded by banks of speakers that expose it to an acoustic field. The sound pressure reaches 131 decibels, similar to a jet engine. 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.