Correspondence regarding Mr. Leon Davidson's inquiry about UDO's

This document is a formal memorandum dated June 4, 1958, written by Philip G. Strong, the Deputy Assistant Director of the Office of Scientific Intelligence (OSI). The memorandum is addressed to Major Lawrence J. Tacker of the Office of the Secretary of the Air Force. The purpose of the correspondence is to follow up on a recent telephone conversation between Major Tacker and Mr. Larae L. Teel of the OSI. Mr. Strong is forwarding a letter received from a Mr. Leon Davidson, who had been inquiring about UDO's (Unidentified Aerial Phenomena). Mr. Strong also includes a copy of the OSI's reply to Mr. Davidson, in which the agency informed him that his query had been forwarded to the Air Force for an official response. The document includes two enclosures: a letter dated May 16 to Tacker and a letter dated May 26 to Davidson. The distribution list indicates that copies were sent to DAD/C/SI, AD/SI (OS), Mr. F. Chapin, and ASD/SI.