I was driving down the road after staying at a friends house for the day. As I was entering the highway, I noticed some lights heading east. Being an avid plane spotter, I parked my car on the roadside, grabbed my binoculars, and went outside. I then noticed another set of lights entering the airspace. I could tell this second formation was Air National Guard F-16Cs The other formation, however, was like no other plane I had seen before. And I have seen a lot of planes and known their characteristics! These matched none of those characteristics. At first I thought that they might have been an RC stunt plane, as I have seen some that can pull crazy loops and stuff. But who would be flying an RC at night? The objects were dagger or diamond shaped, and were executing maneuvers that resembled immlemans, pugachev's cobra, and others. Then apparently, the ANG F-16s lit their burners and flew at the objects. Then all of a sudden the objects changed to a heading north and flew off at very high speed. No landing occured. This encounter left me awestruck at what the heck they could be.