Because they're ours - white hat operations. Haven't you noticed that it's only Democrats and RINOs always wanting the scoop on UFOs? Now congress is demanding a report in June by the DoD to expose just about everything.
https://www.foxnews.com/politics/nunes-gowdy-accuse-doj-of-launching-anonymous-attacks-on-congressional-investigator
https://www.foxnews.com/politics/rosenstein-threatened-to-subpoena-gop-led-committee-in-chilling-clash-over-records-emails-show