Career: | Built as factory trawler HAMBURG. 1974 converted to submersible mother ship. DANASBANK-1967, DORTMUND-1970, VICKERS VIKING-1974, SWANELLA-1982, SIR WALTER RALEIGH-1984, SIR TRISTAN-1988, TRINITY EXPLORER-1990, MARINE EXPLORER-1991, MARINE EX-2005. |