Crew brace themselves on the bow of Sea Shepherd's ship, the M/Y Steve Irwin, as they sail the 'Shrieking Sixties' on Friday Jan. 9, 2009. The radical environmentalists sailed Antarctica's Southern Ocean for three months clashing with Japanese whaling ships, which they accuse of hunting commercially under the guise of 'scientific research'. Japan insists its operations are legal, according to a loophole in a 1986 international whaling ban.