Greenpeace ship SV Rainbow Warrior with a flotilla of local activsts and an action prop in the shape of a Dugong during a campaign to help save the Dugong, Henoko, Okinawa Island, Japan. The Dugong a very rare sea mammal could face extinction if construction of an American Airbase above Henoko coral reef goes ahead. Local activists together with Greenpeace aim to protect the last remaining Dugong population.