MK29 Rebreather (IMAGE) Office of Naval Research Caption A US Navy diver gives the okay sign following his dive using the Office of Naval Research Global TechSolutions-sponsored MK29 Mixed Gas Rebreather system, which was developed at the Naval Surface Warfare Center, Panama City Division. The new system will conserve helium, which is a valuable natural resource, accelerate the deployment of Navy divers, and increase safety. Credit (U.S. Navy photo by John F. Williams/Released) 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.