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Air Accident Report on Flying Disc Aircraft
That Crashed Near White Sands Proving Ground, New Mexico

A Technical Report
From AMC Commander
General Nathan F. Twining
Headquarters Air Material Command
Wright Field, 16 July, 1947

Addressed to: Commanding General of the Army Air Force,
                    Washington 25 (Pentagon) D.C.-Air Defense Command
                    Attn: Ac/15-2


  1. As ordered by Presidential Directive, dated 9 July, 1947, a preliminary of a recovered "flying disk" and remains of a possible second disk, was conducted by the senior staff of this command. The data furnished in this report was provided by the engineer staff personnel of T-2 and Aircraft Laboratory, Engineering Division T-3. Additional data furnished by the scientific personnel of the Jet Propulsion Laboratory, CIT, and the Army Air Forces Scientific Advisory Group, headed by Dr, Theodore von Karman. Further analysis was conducted by personnel from Research and Development.

  2. It is the collective view of this investigative body, that the aircraft recovered by the army and air force units...are not of U.S. manufacture for the following reasons:

    a. The circular, disk-shaped "platform" design does not resemble any design currently under development by this command nor of any Navy project.

    b. The lack of any external propuslsion system, power plant, intake, exhaust either for propeller or Jet propulsion, warrants this view.

    c. The inability of the German scientists from Fort Bliss and White Sands Proving Ground to make a positive identification of a secret German V weapon of these disks. Though the possibility that the Russians have managed to develop such a craft, remains. The lack of any markings, ID numbers or instructions in Cyrillic, has placed serious doubt in the minds of many, that the objects recovered are not of Russian manufacture either.

    d. Upon examination of the interior of the craft, a compartment exhibiting a possible atomic engine was discovered. At least this is the opinion of Dr. Oppenheimer and Dr. von Karman. A possibility exists that part of the craft itself comprises the propulsion system, thus allowing the reactor to function as a heat exchanger and permitting the storage of energy, unlike the release of energy of our atomic bombs. The description of the power room is as follows:

     1. A doughnut shaped tube approximately thirty-five feet in diameter, made of what appears to be plastic material, surrounding a central core (see sketch in Tab. 1). This tube appeared to be filled with a clear substance, possibly a heavy water. A large rod centered inside the tube, was wrapped in a coil of what appeared to be of copper material, ran through the circumference of the tube. This may be the reactor control mechanism or a storage battery. There were no moving parts of the spaces examined.

     2. This activation of an electrical potential is believed to be the primary power to the reactor, though it is only a theory at present. Just how a heavy water reactor functions in this environment is unknown.

     3. Underneath the power plant, was discovered a ball-turret, approximately ten feet in diameter. This turret was encompassed by a series of gears that has an unusual ratio not known by any of our engineers. On the underside of the turret were four circular cavities, coated with some smooth material not identified. These cavities are symmetrical but seem to be movable. Just how is not known. The movement of the turret coincides with the dome-shaped copula compartment above the power room. It is believed that the main propulsion system is a bladeless turbine, similar to current development now underway at AMC and the Mogul project. A possible theory was devised by Dr. August Steinhoff (a Paperclip scientist), and Dr. Warner von Braun and Dr. Theodore von Karman: as the craft moves through the atmosphere, it somehow draws the hydrogen from the atmosphere and by an induction process, generates an atomic fusion reaction (see Tab. 2). The air outside the craft would be ionized, thus propelling the craft forward. Coupled with the circular air foil for lift, the craft would presumably have an unlimited range and air speed. This may account for the reported absence of any noise.

    e. There is a flight deck located inside of the copula section. It is round and domed at the top. The absence of canopy, observation windows/blister, or any optical projection, lends support to the opinion that this craft is either guided by remote viewing or is remotely controlled.

     1) A semi-circular photo-tube array (possibly television).
     2) Crew compartments were hermetically sealed via a solidification process.
     3) No weld marks, rivets, or soldered joints.
     4) Craft components appear to be molded and pressed into a perfect fit.


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