
Bob Barker
- Length: 52.2 meters
- Date Built: 1950
- Most Interesting Fact: In Norway, was built originally as a whaling vessel and did so until 1962
- Other Former Jobs: Has also operated as a Norwegian Coast Guard vessel (submarine seeker), fuel resupply vessel, and conducted paid Arctic wildlife tours
- Former Name: Polaris
- Current Name: Bob Barker – named after its benefactor – American television personality, icon, and animal lover Bob Barker
- First Sea Shepherd Expedition: Departed December 18, 2009, from Mauritius, Africa, for the Antarctic Whale Sanctuary and “Operation Waltzing Matilda”
- Next Mission: Operation No Compromise – Captain Alex Cornelissen

Steve Irwin
- Length: 53-meters
- Date Built: 1972
- Max Speed: 16 knots
- Country of Origin: Scotland, UK
- Former Job: Scottish Fisheries Protection Service vessel
- First Sea Shepherd Expedition: December of 2007, Antarctic Whale Defense Campaign, Operation Migaloo
- Original SSCS Name: M/Y Robert Hunter in memory of Captain Paul Watson’s friend and co-founder of Greenpeace Bob Hunter
- Current Name: In honor of the late Australian conservationist Steve Irwin
- Next Mission: Operation No Compromise – Captain Paul Watson

Gojira
- Length: 35-meters (115-feet)
- Vessel Type: stabilized, monohull trimaran
- Max Speed: 24 knots
- First Expedition: 1998 successful circumnavigation in 74 days, beating the previous record of 84 days held by the USS Triton, a nuclear-powered submarine [Note: In 2008, the 60-day world record was set by the Earthrace, which later become Sea Shepherd’s vessel the Ady Gil]
- Former Job: South African-based charter vessel
- First Sea Shepherd Expedition: Operation No Compromise
- SSCS Name: Gojira (in Japanese means Godzilla)
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