Sandia National Laboratories-MESA (IMAGE) DOE/Sandia National Laboratories Caption Dana Pulliam enters information before running an operation in Sandia National Laboratories' MESA complex. The fab has begun making silicon wafers for three nuclear weapon programs in the largest production series in MESA's history. Credit Sandia National Laboratories/Lloyd Wilson Usage Restrictions Credit to Sandia National Laboratories 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.