Greenpeace volunteers in inflatable with 'Stop the Airbase' flag near to Greenpeace ship SV Rainbow Warrior during a campaign to help save the Dugong, Henoko,Okinawa Island, Japan. This rare protected sea mammal one of Japan's cultural icons could face extinction if it were to lose it's natural habitat to the construction of a proposed American military air base. Greenpeace is working to protect the last remaining Dugong population in Japan and prevent the destruction of an important marine environment.