Robert Monroe made these predictions: "The following OBE journal entries are from the last part of Chapter 11 of Journeys Out of the Body. "Air hiss/valve" means that he sees and hears a valve open with a hiss at the start of his OBE session, which means that the content of the experience will be prophetic." 11/5/61: Air hiss/valve: I am standing alone outside my house. The sky is mostly clear, with a broken cloud cover to the north. I see a group of aircraft emerge from the cloud cover, just above it. They approach, and I note that they are not typical aircraft or rockets. Behind the first wave is row after row of the strange aircraft, literally hundreds of them. They are not like any airplanes I have seen before. No wings are visible, and each machine is gigantic, some three thousand feet across. Each is shaped like the head of an arrow, V-shaped, but with no fuselage as in our swept-wing airplanes. The V shape is not a lifting surface, but houses the occupants in two or three decks. They sail majestically overhead, and I feel a tingle of awe at the mighty power they represent. I also feel fear, because I somehow know that these are not man-made. 10/20/62: Air hiss/valve: I am with other people in a suburban street. Looking up, I see what appear to be airplanes through a large break in the clouds. I take a closer look, and realize these are a type of aircraft I have never seen before, evidently powered by something other than propellers or jets (impression is of a unique form of rockets, but not chemical). Three of the aircraft dive down in a descending turn, and I can see they have black sides and white square windows, but no wings to speak of. The three make a low pass over a nearby street. Houses and buildings collapse in their wake, not from bombs but from something emitted from the machines themselves. We all dive for a ditch for safety. 6/12/63: Air hiss/valve: My family and I are in a situation where the whole population of the city we live in is trying to leave. Gasoline is unavailable, electric power has been shut off. There is a great sense of fatality among everyone. It doesn't seem to be the product of atomic war, and there is no concern as to radioactive fallout. There is principally a feeling of doom and the breakup of civilization as we know it due to something momentous having taken place, a factor beyond human ability to control. 4/11/64: Air hiss/valve: My family and I are in a large city, and there seems to be great trouble. Everyone is trying to leave. I leave what seems to be an apartment to try to find some way for us to get out into the country. Out in the street, the whole city is in a turmoil and panic, with cars stalled and jammed together, much like an anthill that has been disturbed.