OPERATING INSTITUTION	SHIP	OWNER	LENGTH (ft)
LARGE / GLOBAL
Scripps Institution of Oceanography	MELVILLE	Navy	279
Woods Hole Oceanographic Institution	KNORR	Navy	279
University of Washington	THOMAS G. THOMPSON	Navy	274
Scripps Institution of Oceanography	ROGER REVELLE	Navy	274
Woods Hole Oceanographic Institution	ATLANTIS	Navy	274
Lamont-Doherty Earth Observatory	MARCUS LANGSETH	NSF	235
OCEAN
University of Hawaii	KILO MOANA	Navy	186
INTERMEDIATE
Harbor Branch Oceanographic Institution	SEWARD JOHNSON	HBOI	204
Oregon State University	WECOMA	NSF	185
University of Rhode Island	ENDEAVOR	NSF	185
Woods Hole Oceanographic Institution	OCEANUS	NSF	177
Scripps Institution of Oceanography	NEW HORIZON	SIO	170
REGIONAL
Bermuda Institute for Ocean Sciences	ATLANTIC EXPLORER	BBSR	168
University of Delaware	HUGH R. SHARP	UD	146
Moss Landing Marine Laboratories	POINT SUR	NSF	135
Duke University/UNC	CAPE HATTERAS	NSF	135
Scripps Institution of Oceanography	ROBERT GORDON SPROUL	SIO	125
Louisiana Universities Marine Consortium	PELICAN	LUMCON	116
SMALL / LOCAL
University of Miami	WALTON SMITH	UM	96
Smithsonian Tropical Research Institute	URRACA	Smithsonian	96
University System of Georgia	SAVANNAH	UG	92
University of Minnesota - Duluth	BLUE HERON	UMD	86
University of Washington	CLIFFORD A. BARNES	NSF	66
NOAA GLOBAL CLASS VESSEL
NOAA*	RONALD H. BROWN*	NOAA	274
USCG ICEBREAKERS
USCG	USCGC HEALY	USCG	420
USCG	USCGC POLAR STAR	USCG	399
USCG	USCGC POLAR SEA	USCG	399

*The Research Vessel Ronald H. Brown is operated by NOAA, but is scheduled in cooperation with UNOLS.