UMMO ship San José de Valderas Madrid 1967 Published February 11, 2019 at 4052 × 2657 in “An Immoral Experiment”: The Spiritual, Political, and Ufological Significance of the UMMO Letters ← Previous Next → Photo purportedly taken on the outskirts of Madrid of a UFO with UMMO markings on its underside, 1967 Share this:Tweet