Figure 3 (IMAGE) American Physical Society Caption Single-stage light gas gun at STAR, a Sandia facility for shock physics experiments. Laboratory test launchers at STAR can test nearly any type of material (explosives, chemical and biological simulants, ceramics, powders). We recently celebrated its first gas gun-driven impact test, which occurred on September 19, 1969. Credit Sandia National Laboratories Usage Restrictions Use with appropriate 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.