Dear Sir, I thought I would report to you that on Fort Belknap Indian reservation we see lots of low flying jets. Often their sonic booms shakes our houses. We are told that since this is really government land that the Air Force can use it as air space for training. Another thing we see a lot of is U.F.O.'s in the classic sense. Most of my cousins have seen them and my mother has seen seven. I myself have only seen oneIn the late summer of 1973, when I was eight years old, my mother and I were driving from Dodson, Montana back to our ranch on the reservation with my Grandmother who was driving. We are travelling at night on highway 2 otherwise known as The Hi-Line. It was a moonful night and clear night. We were near the eastern border of the reservation and near Strike Reservoir when my Grandmother and my mother at the same time said, "What is that?" and my Grandmother slowed the vehicle to a crawl. I looked out the front windshield. Directly over the highway, we estimated the height to be just