I've embedded the trailer, but you can watch the full 21 minute prelude to the feature length film about the first major Federation/Klingon war, staring Tony Todd, Kate Vernon, Michael Hogan, Richard Hatch, J.G. Hertzler, Gary Graham, Alec Peters & *Update* Garrett Wang on Kickstarter. If you like Star Trek you should watch it.
Update: The first Kickstarter has finished & raised approximately $638,000 of the projected $650,000 - $750,000 budget, so fingers crossed for the feature length film. If it's as good as the Prelude then Axanar will be very impressive & from everything I've seen so far it'll set a new standard for fan films.