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<title>Annexe R - Lettre de Twining en 1947 - Rapport Condon</title>
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<p>Annexe R - Lettre du général N. F. Twining au général commandant, Army Air Forces</p>
<p>23 Septembre 1947 </p>
<p>
  <q>SUJET : Opinion de l'AMC concernant les "Disques Volant" 23 Septembre <a href="../../../../4/7/index.html">1947</a>
  </q></p>
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  <p><q>COPIE</q></p>
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<p><q> Basic Ltr fr CG, AMC WF to CG, AAF, Wash. D.C. subj "ANG Opinion concernant "Disques Volants"</q></p>
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    <td><q>A :</q></td>
    <td><q> Général commandant<br> Army Air Forces<br> Washington 25, D. C.<br> ATTENTION : Brig. Général <a
      href="/people/s/SchulgenGeorgeF/index.html">George Schulgen</a> AC/AS-2 </q></td>
  </tr>
  </tbody>
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<ol>
  <li><q>Comme demandé par l'AC/AS-2 est ici présentée l'opinion considérée de ce Commandement concernant ce qu'on
    appelle les "Disques Volants". Cette opinion est basée sur les données d'un rapport d'interrogation fournies par
    l'AC/AS-2 et des études préliminaires du personnel de <a href="/org/us/dod/af/T2.html">T-2</a> et du Laboratoire
    d'Appareils aériens de la Division d'Ingéniérie T-3. Cette opinion fut atteinte à une conférence entre le personnel
    de l'Air Institute of Technology, Intelligence T-2, Office, Chief of Engineering Division, et du Aircraft, Power
    Plant and Propeller Laboratories of Engineering Division T-3. </q><q>
    </p>
  </q></li>
  <li><q>Il est de l'opinion que : </q>
    <ol>
      <li><q>Le phénomène signalé est quelque chose de réel et n'est pas visionnaire ou factice. </q></li>
      <li><q>Il existe des objets approximant probablement la forme d'un disque, d'une telle taille appréciable
        qu'ils apparaissent être aussi grands que des appareils faits de la main de l'homme. </q></li>
      <li><q>There is a possibility that some of the incidents may be caused by natural phenomena, such as
        meteors. </q></li>
      <li><q>The reported operating characteristics such as extreme rates of climb, maneuverability
        (particularly in roll), and action which must be considered evasive when sighted or contacted by friendly
        aircraft and radar, lend belief to the possibility that some of the objects are controlled either manually,
        automatically or remotely. </q></li>
      <li><q>The apparent common description of the objects is as follows: </q>
        <ol>
          <li><q>Metallic or light reflecting surface. </q></li>
          <li><q>Absence of trail, except in a few instances when the object apparently was operating under high
            performance conditions. </q></li>
          <li><q>Circular or elliptical in shape, flat on bottom and domed on top. </q></li>
          <li><q>Several reports of well kept formation flights varying from three to nine objects. </q></li>
          <li><q>Normally no associated sound, except in three instances a substantial rumbling roar was noted. </q>
          </li>
          <li><q>Level flight speeds normally above 300 knots are estimated. </q></li>
        </ol>
      </li>
      <li><q>It is possible within the present U. S. knowledge -- provided extensive detailed development is
        undertaken -- to construct a piloted aircraft which has the general description of the object in sub-paragraph
        (e) above which would be capable of an approximate range of 7000 miles at subsonic speeds. </q></li>
      <li><q>Any developments in this country along the lines indicated would be extremely expensive, time
        consuming and at the considerable expense of current projects and therefore, if directed, should be set up
        independently of existing projects. </q></li>
      <li><q>Due consideration must be given the following: -</q>
        <ol>
          <li><q>The possibility that these objects are of domestic origin - the product of some high security project
            not known to AC/AS-2 or this Command. </q></li>
          <li><q>The lack of physical evidence in the shape of crash recovered exhibits which would undeniably prove the
            existence of these objects. </q></li>
          <li><q>The possibility that some foreign nation has a form of propulsion possibly nuclear, which is outside of
            our domestic knowledge. </q></li>
        </ol>
      </li>
    </ol>
  </li>
  <li><q>It is recommended that: </q>
    <ol>
      <li><q>Headquarters, Army Air Forces issue a directive assigning a priority, security classification and
        Code Name for a detailed study of this matter to include the preparation of complete sets of all available and
        pertinent data which will then be made available to the Army, Navy, Atomic Energy Commission, JRDB, the Air
        Force Scientific Advisory Group, NACA, and the RAND and NEPA projects for comments and recommendations, with a
        preliminary report to be forwarded within 15 days of receipt of the data and a detailed report thereafter every
        30 days as the investigation develops. A complete interchange of data should be effected. </q></li>
    </ol>
  </li>
  <li><q>Awaiting a specific directive AMC will continue the investigation within its current resources in order to more
    closely define the nature of the phenomenon. Detailed Essential Elements of Information will be formulated
    immediately for transmittal thru channels. </q></li>
</ol>
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    <td width="60%"></td>
    <td><q> <a href="/people/t/TwiningNathanF/index.html">N. F. Twining</a><br> Lieutenant-général, U.
      S. A.<br> Commandant</q></td>
  </tr>
  </tbody>
</table>

<p><q>COPIE</q></p>
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