CCGS John P. Tully is an offshore oceanographic science vessel in the Canadian Coast GuardShe was built by Bel-Air Shipyards in Vancouver, British Columbia, in 1985.The ship has been employed on joint research voyages with a variety of United States agencies, including the National Oceanic and Atmospheric Administration.She is staffed by a crew of 20.She is under 70 meters long.She is named after Dr. John P.