Bermuda Triangle: Science Fiction

The ship sailed in out of the fog, and the sailors on the port gaped at it. Never had they seen a craft so tall and strong, as tall as two city buildings stacked on top of each other, a weird green iridescence flowing over it's surface. They'd been going about their business all steady and normal-like, but at the sight, a serious breakdown in order occurred. Some ran for their cameras, to get pictures to National Enquirer or videos to YouTube. Some ran for th control room. Some ran for the weapons locker. The latter were not entirely incorrect in their aim, as it turned out, but they had no idea that the AK-47s and stun-guns stored there would do nothing--


Inspiration: "ship"
Story Potential: High--if I figure out the rest of it.
Notes: There have been a number of "ship from the past emerges from the mist/bermuda triangle" stories, and a certain number of "ship from the present ends up in the past," but not so many "ship from the future ends up in the present" ones.