R/V Robert Gordon Sproul is a regional general-purpose research vessel that serves research and education missions offshore California and the US West Coast.The Sproul is owned by the Regents of the University of California and is operated by the Scripps Institute of Oceanography.
Seen here at the Nimitz Marine Facility. The Nimitz Marine Facility (MarFac) is the home port and technical support center for the Scripps oceanographic research fleet.