NARA-PBB85.pdf

NATIONAL ARCHIVES | MICROFILM PUBLICATIONS Microfilm Publication T1206 PROJECT. BLUE BOOK Roll 85. Project (Administrative) Files Box 1. THE NATIONAL ARCHIVES NATIONAL ARCHIVES AND RECORDS SERVICE GENERAL SERVICES ADMINISTRATION _ -WASHINGTON: 1976

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| UNEDENTLFIED' AERIAL OBJECTS: ) ‘PROJECT: "SIGN" BG oe oO 1 faleese Tate; | February 1949 HEADQUARTERS AIR MATERIEL, COMMAND i WRIGHT. PATTERSON AIR FORCE BASE 8 S ho . : — = oo sa “DAYTON, Oo et ee UNCLASSIFIED bDOWNGR RADED ‘AT § vran INTERVALS $” r DECLASE Too ARCA 12 YE 2ARS. DOD Dit 62: rt . 3 “0° ee ee

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Technical Report — - “UNCLASSIFI ' Ne. Pres ‘. ° Shag af UNIDENTIFIED AERIAL OBJECTS: PROJECT "SIGH" . - Ly He Tene ttner ca A. B. Deyarmond, (Profect No. 38-304) - Approved by: ©. gs 2 Pe oem Release Datez~— February 1919 — ey on $-11 _s UNCLASSIFIEp | © DOSWNGRADED AT 3 YEAR INTERVALS: DWCLASE: ia! 1s Fy: LE Too inf 13 YEARS, DOD ‘Dit 6209.10 - | SERRA aa OS ay te en, aah gs ee ee a

| UNCLASSI=1ED A descriptive and analytical study of the unidentified A TRACT serial objects, that have been reported both in the United States and from foreign countries, ia presented. Individual cases are desoribed in brief form, aa an appendix. The analytical treatment of the subject is largely of a qualitative and generalized nature. However, detatied analyses” and detailed T peauite are presented, where this peenerure 4s possi~ ple and will assist in establishing ‘the validity or. tenability, of an overall’ hypothesis. © - =a Project "Sign" is still: largely characterized by the collec- "…

Project "Sign" was initiated by the Technical Intelligence : Division, Air Materiel Command, and assigned Project Humber -X8-304,—..---: 22 January 1948, under authority of a letter from.the Deputy Chief of Staff, Materiel, USAF. ‘This letter is referenced -C/S, USAF, 30 December 1947, subject "Flying Disks." _ Agsistence in analyzing the reported observations has been provided by other Divisions of Air Materiel Command in accordance with echnical Instructions 71-2185, Addendum No. 3, dtd 11 Febru- - ary ; subject: "Project Sign" - Evaluation of Unidentified - Flying Objecta”. Xi = Analysis of…

INTRODUCTION = po rereweice - <saaieer- meade ey Se 4 _. uNcLAsM@icp This report is written to present the atatus of work being accomplished on Project "Sign", to summarize the data collected on sightings of unijentified aerial objects, to review the methods and reasoning applied in the evaluation of the data, and to pre- gmat the results “so far obtained {rom the study of data available. ) “It is‘not expected that this repost can present a final es- timate of the situation regarding all the incidents reported. Tie data ia still being studied by specialists in the fields of ' astrophysics and …