Some more naval info: http://www.theverge.com/gaming/2012/8/18/3251284/the-sea-battles-of-assassins-creed-3-wont-be-much-of-the-game
More info: http://www.ubiworkshop.com/groups/assassins-creed/forum/topic/assassins-creed-iii-new-images-revealed/?topic_page=1&num=15