HomepageUFOs John Greenewald in UFOs On January 4, 2021 Luis Elizondo & John Greenewald, Jr. – 1 on 1 Follow The Black Vault on Social Media: This post was published on January 4, 2021 Next Read: UFO Trace Evidence Case, Gleeson, Arizona - August 26, 1968 » Luis ElizondoUFO John Greenewald: Related Post Documents Released on the November 11, 2014, Chilean Navy Helicopter UFO Encounter The Pentagon’s Secret UFO Program, the Hitchhiker Effect, and Models of Contagion, by Dr. Colm A. Kelleher Project Blue Book: Artesia, New Mexico — 16 January 1952