Canadian; hydrographic survey and oceanographic research vessel (1913- 1969), used to chart the coastline of Eastern Canada, performed tidal and depth charting.
Brazilian; an oceanographic research vessel investigating the role of the South Atlantic in global climate change, as well as studying marine biodiversity.
Italian; multi-purpose research vessel used in particular for investigations in fisheries, aquaculture, oceanography within the Mediterranean Sea since 2003.
French; originally commissioned in 1942 as a minesweeper, Calypso was purchased by Jacques-Yves Cousteau and used for oceanographic studies in 1950-1996.
British; survey ship used to undertake the first global marine research expedition, the Challenger Expedition (1872-1876), which laid the foundation for the science of oceanography.
Indian; a hydrographic survey vessel that carries out hydrographic, geophysical, and oceanographic surveys in the Indian Ocean since 2001; has been used to investigate historically significant shipwrecks and the submerged remains of the lost city of Poompuhar.
Spanish; a global research vessel, used since 1991 for studies of geology, geophysics, hydrography, physical and chemical oceanography, marine biology as well as for logistical support to the Spanish Antarctic bases.
Australian; research vessel used since 2014 for atmospheric, oceanographic, biological and geoscience research from the tropical north to the Antarctic ice-edge mainly in the Indian and Pacific Oceans.
Italian; general cargo and oceanographic research vessel used to study the Ross Sea continental shelf in Antarctica and as logistical support for Italian Antarctic exploration since 1990.
Norwegian; a research vessel that has operated primarily in the Arctic since 1992 for various research purposes, in particular marine biology and oceanography; was used for Mars rover simulations on Svalbard in 2009.
Taiwanese; a research vessel used since 2018 for oceanographic observations, seafloor topographic mapping, seismic survey and sediment coring in the Pacific Ocean area adjacent to East Asia.
American; ice-breaking ship dedicated to scientific research and operated by the National Science Foundation for Antarctic scientific missions since 1992.
Dutch; a research and survey vessel that has performed hydrographic and oceanographic surveys and sediment sampling since 1990 in the Atlantic (North Sea, Caribbean Sea), Indian, and Pacific Oceans.
Colombian; a research vessel used for biological, meteorological, chemistry, physics, geology, and oceanographic studies in the Caribbean Sea and Pacific Ocean since 1981.
New Zealand; a research vessel and icebreaker that performs marine environmental monitoring, ocean science studies and exploration and engineering activities (2000s).
English vessel which took Edmond Halley to Saint Helena in 1676 to conduct a survey of the stars in the southern hemisphere. While there, Halley observed the 1677 transit of Mercury which enabled him to make one of the earliest calculations to estimate the size of the solar system.
Lithuanian; research vessel deployed in the Baltic Sea during 1992-2010 to study the seasonal dynamics of phytoplankton communities and their development.