Sandia Guided Bullet Prototype (IMAGE) DOE/Sandia National Laboratories Caption The four-inch-long bullet developed at Sandia National Laboratories has actuators that steer tiny fins that guide it to its target. Credit Photo by Randy Montoya, Sandia National Laboratories Usage Restrictions None 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.