Given that an extraterrestrial craft has never existed let alone crashed on Earth; hasn't every human ever born has been denied access to their crash sites? This would include admirals, correct?
UFOs don't truly exist in the literal sense. Yes, mysterious military aircraft may have been seen by people who don't know what they are, but they are most certainly identifiable to the military.
I think it is incredibly interesting that we study the cosmos and likely will become very valuable at some point. It may even enable us to survive as a species. But looking for signs of life out there, given that it has already been disproven, is the very definition of waste. It is far far worse than expecting to hit the Powerball. It detracts from research that may prove fruitful and it is sad.