Boeing EC-135N ARIA-RADAR Plane

Close up of the nose of an EC-135N aircraft. The airplane was used to test a new electronic technique for detecting and locating hostile airborne targets without giving away their location by using sensitive radio receivers mounted on each wing tip, and a direction-finding receiver in the nose.https://corescholar.libraries.wright.edu/special_ms458_photographs_air_force_history/1106/thumbnail.jp