Apollo 17 EVA-1 Close-out: Astronaut sees a UFO?

Normally NASA astronauts follow a “script“ and they know exactly what and when to say. This astronaut however was too shocked by something he had never seen before. He forgets his “lines“ and no longer follows the script. Instead, a long and not planned discussion and conversation starts. The astronaut is truly amazed. Unlike his colleague, who seems to be in charge. The astronaut asks what these objects were that flew over his head. Then it becomes hilarious. Flabbergasted, the second astronaut does also not know what to say! This was not planned and not in the script. He is however aware of the fact that they are being watched by NASA officials. After a short period of silence he says that it was a blast coming from the dial shaped disc of the high gain antenna on the rover (vehicle). More objects start flying over, and again we hear genuine excitement. Then the astronaut realizes that he had said something he should not have said in front of the cameras and NASA. He reluct