While stationed at Ft. Lewis, 9th Infantry, 1975-1977, an Air Cav. unit was based there. UH-1's, Cobra gunships & Kiowa scout helicopters. If we went to the main PX during the week, the pilots were practicing hovering maneuvers among other flight plans. During the summers, our field artillery battalion would go to Yakima Firing Center along with other units from Lewis. Of course, one of them were the Air Cav. Since this area was high desert with no trees, the pilots would fly by terrain, meaning...