CHARLI-L1 Robot (IMAGE) Naval Research Laboratory Caption Virginia Tech and the University of Pennsylvania are working with NRL on the firefighting robot project. NRL's firefighting robot will be a follow-on version to the existing Virginia Tech CHARLI-L1 robot, pictured here. Credit Virginia Tech 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.