USNS Pathfinder 60 USNS Pathfinder (T-AGS-60) Military Sealift Command Operator of Ship United States sponsor United States Navy Owner of Ship United States owner Kongsberg Simrad EM121A Multibeam The determination of ocean depths or the general configuration of the sea floor as determined by the profile analysis of depth data, using a multibeam, wide-swath echo sounder. ODEC Bathy2000 Subbottom/Chirp Sub-bottom profiler: 3.5 kHz Chirp