A new report concedes that much about the observed phenomena remains difficult to explain,
https://www.nytimes.com/2021/06/03/us/p ... tagon.html

Last December, the former head of the Israeli space directorate at the country's defence ministry told a local newspaper that Mr Trump was on the "verge of revealing" the existence of an intergalactic treaty, but pulled back out of fear of inciting a "mass hysteria".
"There is an agreement between the US government and the aliens," Haim Eshed told the Yediot Aharonot newspaper. "They signed a contract with us to do experiments here."
https://www.bbc.co.uk/news/world-us-canada-57559179