Sea Node (IMAGE) Naval Research Laboratory Caption The Naval Research Laboratory developed "Sea Node" has completed the Trident Warrior 2009 Exercise and officially received a positive Military Utility Assessment. The Sea-Node System is an enhancement to the Navy's existing AN/SSX-1 ES system. Credit Naval Research Laboratory 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.