The retired lieutenant's matter-of-fact remark stopped 60 Minutes correspondent Bill Whitaker, who cut in: "Wait a minute. Every day for a couple of years?" "Mhmm," Graves replied. 60 Minutes report dedicated to the subject - signalled something new: UFOs are going mainstream. The shift - from kooky conspiracy to the object of congressional inquiry - has accelerated in recent years, fuelled by the revival of a Pentagon unit to investigate the sightings. And in the next six weeks, a report is due that is required to make public everything the government knows about UFOs. The report, which will be released in June, was mandated by an obscure provision in last year's US$2.3 trillion appropriations bill and requires the director of national intelligence to work with the secretary of defence on a "detailed analysis of unidentified aerial phenomena data and intelligence" gathered by the Office of Naval Intelligence, the Unidentified Aerial Phenomena Task Force and the FBI.