"Hydro ship" . . . . . "Research ship" . "offshore oceanographic science vessel" . . . . "Oceangraphic research" . "ocean surveillance" . . . . . . . . "oceanographic research vessel" . . "coastal hydrographic and patrol vessel" . . . . "research and survey vessel" . . "ships" . "oceanographic research" . "Hydrographic survey" . "Inshore fisheries research and survey vessel" . . . . "Research_vessel" . . . . "Oceanographic survey" . . . . . "Polar exploration vessel" . "Hydrographic research boat" . . "Research vessel#Fisheries research" . . . . . . "Fisheries research vessel" . "Oceanographic & Hydrographic Survey Vessels" . . . . . . . "offshore fisheries research ship" . "coastal research vessel" . . . . "research cruises" . . . . . "ocean research vessel" . . . . . . "research ship" . . . . "marine research vessel" . . . . . . . . . "vessel surveys" . . . "RV" . "hydrographic research ships" . . "Research Submersible" . . "hydrographic survey ship" . "offshore fishery science vessel" . "research/survey vessel" . . . . "Ocean Surveillance Ship" . . "oceanographic research ship" . . . "survey ship" . . . . . . "research ships" . . . "Research vessel" . "and research vessel" . "Multi-Purpose Research Vessel" . . . "ocean surveillance ships" . . . . . . . "Research vessel" . . . . . . . . "fisheries research vessel" . . . . "hydrographic surveying ship" . . . "oceanographic support ship" . "Research Vessels" . . . . . . "Scientific research vessels" . . . . "Ocean surveillance" . . . "Survey boat" . . . . . . . . . . . "research / survey vessel" . . "Hydrographic research ship/auxiliary patrol vessel" . "hydrographic survey" . . . . "Research vessel#Hydrographic survey" . . . . . "Oceanographic and hydrographic survey vessel" . . . . . . "oceanographic vessel" . . . . . "Near-shore fishery research vessel" . . "SV" . . "research fleet" . . "surveillance ship" . . . "seismic survey vessel" . "ocean surveillance ship" . "Offshore oceanographic science vessel" . "Coastal research vessel" . "Hydrographic ship" . . . . "Research vessel#Oceanographic research" . . . . . "research and supply vessel" . "Oceanographic research ship" . "Arctic research vessel" . . . "'''Oceanographic research ship'''" . . . . "research" . . "hydrographic ship" . "surveying ship" . . "Research Vessel" . . . . . . . . . . . . "surveillance ships" . "Fisheriers research vessel" . . "research vessel" . . . . "Offshore research vessel" . . "inspecting" . . . . . . . . . . "Hydrographic survey ship" . "Research" . . . . . . . . . . "Oceanographic vessel" . "Hydrographic survey vessel" . . . "R/V" . . "Research and survey vessel" . . . . . . . "Near-shore Fishery Research Vessel" . . "research vessels" . . "survey vessel" . . . . . . . . . . . . . . . . "research and expedition vessel" . . . . . . .