The Mutual UFO Network Is one of the oldest and largest UFO investigative organizations in the United States. Established as the Midwest UFO Network in Quincy, Illinois, on May 30, 1969, by Walter H. Andrus, Allen Utke, John Schuessler, and others, most of MUFON’s early members had previously been associated with APRO (Aerial Phenomena Research Organization).The organization now has more than 3,000 members worldwide, with a majority of its membership base situated in the continental United States.