DeLonge says the goal of the Sekret Machines project is to tell the true stories behind human encounters with UFOs and the US government's involvement.

He tells GQ: "This is a big deal. It's an extraordinary breakthrough to tell the world's biggest secret. And I really mean that. It is the biggest secret on earth about what we've found, the breakthroughs that we've had, and the steps that we've taken to deal with something very, very extraordinary that most people think is just science fiction