Research Vessel Knorr (IMAGE) Office of Naval Research Caption Kauai, Hawaii (Aug. 01, 2009) -- The Research Vessel Knorr is a Navy-owned Auxiliary General Oceanographic Research-class vessel that is the home base for the Kauai09 Field Trial of the Persistent Littoral Undersea Surveillance system. Credit US Navy Photograph 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.