At least in the military, they have confirmed publicly that they routinely interact with UAP during training etc that are captured multiple ways: radar, FLIR, v

At least in the military, they have confirmed publicly that they routinely interact with UAP during training etc that are captured multiple ways: radar, FLIR, visual, cameras, etc. So it's not a sensor artifact. This resource is a good "just the facts" intro to the topic, as perceived by the US military and federal government: https://www.uap.guide/ https://www.uap.guide/