The Belgian triangle UFO wave of 1990, over some 6 months, with radar evidence

This story features a general of the belgian airforce and he relates how F16 s were scrambled, and everytime they obtained a radar lock, the object would change position, and they never had any visual confirmation, but radar tapes were kept as evidence , and shared ! Another notable feature was these large objects would fly at very low altitude, make a slight high pitched sound, and in some reports there was a rectangular or trapezoid shape, the size of an aircraft carriet, ie massive... https://openminds.tv/belgiums-flying-triangle-wave/