The report, submitted to Congress and released to the public, includes 144 observations of what the government calls ‘unidentified aerial phenomenon’

The report said defence and intelligence analysts lack sufficient data to determine the nature of mysterious flying objects

A major US government report on UFOs released on Friday said defence and intelligence analysts lack sufficient data to determine the nature of mysterious flying objects observed by military pilots including whether they are advanced earthly technologies, atmospherics or of an extraterrestrial nature.