A long-awaited report on UFOs—what the government now prefers to call unidentified aerial phenomena or UAPs—was released on June 25 by the director of national intelligence. It takes into account 144 verified sightings of UAP observed by military personnel over the past 15 years and attempts to make sense of them. The sightings are classified into five categories. The first four are familiar: airborne clutter, weather anomalies, U.S. government developmental craft, foreign adversary technology. The fifth—perplexingly vague—is simply “other.”

On Friday’s episode of What Next: TBD, I spoke with Shane Harris, who reports on intelligence and national security for the Washington Post, about the government’s attempts to figure out what exactly is in the sky. It’s less a story of little green men, and more one of military technology and mystery. Our conversation has been edited and condensed for clarity.

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