F-35A in Flight (IMAGE) DOE/Sandia National Laboratories Caption This F-35A jet fighter carried a non-weaponized test unit as part of a B61-12 Life Extension Program test flight successfully completed earlier this year through virtual means established by Sandia National Laboratories to confront COVID-19 pandemic challenges. This photo is from a previous flight. Credit Photo courtesy of Lockheed Martin Corp. Usage Restrictions Must credit Lockheed Martin Corp. 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.