On Cool Stuff... America warships on the open seas
[Edit: Apparently putting object tags in a post is evil, so i've taken it out the embedded video. Just use the download link to view it]
This has been doing the rounds for a while as an email, but someones gone and made a video of it, so I just have to share it.
Or, you can just download the file.
C/o Monica, who passed it on from someone else