An illustration depicting the underwater mapping capability of USNS Bowditch (T-AGS 62) and other ships of her class. T-AGS 60 Class Oceanographic Survey ships conduct sampling and data collection of surface, midwater and ocean floor parameters; launch and recovery of hydrographic survey launches (HSLs); the launching , recovering and towing of scientific packages (both tethered and autonomous), including the handling, monitoring and servicing of remotely operated vehicles (ROVs); shipboard oceanogaphic data processing and sample analysis; and precise navigation, trackline maneufvering and station keeping to support deep-ocean and coastal surveys. There are 5 ships in this class. U.S. Navy Graphic Illustration