Unidentified Flying Objects (UFO) policy and policy statements. 1970 - 1971. AIR 2/19086 The final tranche of UFO files released by The National Archives contain a wide range of UFO-related documents, drawings, letters, and photos and parliamentary questions covering the final two years of the Ministry of Defence's UFO Desk (from late 2007 until November 2009). Discover the reasons behind the clos