Falls Church, Virginia - 11-28-09

I live in Falls Church, Virginia. Tonight at 9:50 PM, 11/28/2009, I saw this triangle object in the sky. It wasn't making any noise or anything, so I ran to my car to grab my camera.

I got these 2 pictures off before my camera died when I tried to switch to video. The object was a little lower than a plane usually flies, and had about 5 white lights on the bottom with one flashing in a triangular pattern.

Here are how the 2 pictures taken turned out. These were taken with a Nikon Coolpix L1. 7.1 Megapixels digital camera.

Please let me get your thoughts on what you think it might be. I have seen UFOs in the past, and I guess this is another one to add to the list.