There are a lot of people trying very hard to investigate UFOs/UAPs. To my knowledge, they haven't been successful. I'd be surprised if they haven't tried surve

There are a lot of people trying very hard to investigate UFOs/UAPs. To my knowledge, they haven't been successful. I'd be surprised if they haven't tried surveying the solar system, and the solar system is sufficiently small that I would expect it to be cheap to get results.