Weapon systems were affected in 4 military cases. The pilots have reported the following symptoms: gun radar failure (2 cases) and total failure (2 cases).
Example: The pilot of a Finnish Air Force F-18A Hornet saw five disc-shaped objects surrounded by an orange glow. He radioed his base to report the situation and was ordered to intercept them. The five objects veered sharply. The pilot reported to Flight control that the discs were breaking formation and received permission to fire at them. The pilot got behind one glowing object and lined it up with the reticule on his windshield “head-up” display. But instead of picking up the “target acquisition tone” in his earphones, he heard the raucous honk of an alarm. All at once, the targeting computer went off-line. The “heads up” display disappeared. The F-18’s firing system for the 20 mm gun was also inoperative. Instantly the pilot hit the “arming” switch for his air-to- air missiles. The red malfunction light began blinking on the dashboard. The objects regrouped and flew away to the East at Mach 4 or 5. The objects were last seen heading for Russia. The F-18 computers were tested for days but they could find nothing wrong with them. (Case 1288, Finland 1997)
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