Prior to release, the weapon is continuously updated by aircraft avionics systems. After medium to high-altitude release, the bomb's navigation systems take over and guide to the target regardless of weather. A JDAM detonates above a stacked sea van target on Airport Lake. Because in weapons testing, size counts. T here are other good reasons for Air Force use of the ranges.
Distance is one.
C loseness means significant cost savings. Chris Nelson, B-52 flight test engineer. And closeness also saves money on logistics. Normally, testing outside of Edwards requires that the testing organization send a detachment of support personnel to the host base. I nstrumentation is another draw.