The German Air Force has been conducting tests on the Hensoldt Twinvis passive radar system, which has the remarkable capability to detect stealth aircraft, Laurent Lagneau comments in Opex360. In 2018, Hensoldt claimed that the Twinvis successfully detected two American F-35A stealth fighter-bombers at the ILA Berlin Air Show. However, Lockheed-Martin countered this achievement by explaining that the F-35As were equipped with Lüneberg lenses, making them intentionally detectable for safety reasons in civilian airspace. Nevertheless…