Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Rainbow Warrior (2011) - Rainbow Warrior (sometimes Rainbow Warrior III) is a purpose-built motor-assisted sailing yacht owned and operated by Greenpeace and intended for use in their activities such as environmental protests and scientific excursions. She was christened on October 14 2011 and has replaced Rainbow Warrior II after further upgrades and maintenance of the older ship had been shown to be impractical.The vessel is the first Rainbow Warrior that is not converted from another vessel.
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Mean Of Transportation