U.S. forces have been quite clear on the UFO construction.

<P> So far, humans have seen the emergence of more than 500 million UFO scene. .Able to confirm the existence of the UFO phenomenon has declassified thousands of pages of documents. .However, many UFO events with the contents of the public, is still a very mysterious thing. .</ P> <P> the CIA, FBI, Homeland Security, Military Intelligence Agency, NASA and the North American Aerospace Defense Command and other agencies declassified documents show, UFO and the military around the world, science and research policy .has all sorts of relationships. .Facts have proved that the large number of federal agencies with UFO-related details. .They not only know that UFO's exist, and is trying to develop the same technology with the UFO. .Many U.S. officials, scientists turn a blind eye to the UFO phenomenon is to avoid public attention, for the conduct of secret experiments to create an ideal environment. .Indeed, while some highly classified documents have been declassified, but there are still a large part is also stored in a top secret U.S. government files. .</ P> <P> the contents of the following excerpt from a not yet declassified UFO documents, UFO is a famous American expert Leonard - Springfield from sources who requested anonymity hands get. .The source familiar with Leonard has been a long time, but because the document in order to avoid lawsuits, he insisted on anonymity. .Document is a "flying saucer" to inspect the wreckage of the initial report of the time the report was completed July 16, 1947, the U.S. Air Force commander General Twining signed. .</ P> <P> 1947 年 7 19 March that mentioned the U.S. President, Ford Ward in Texas, the United States Eighth Army Air UFO and the military had the plane of the second frame may be the remains of the UFO .a preliminary investigation. .Jet Propulsion Laboratory and the U.S. Air Force engine Theodore - von - Air Force Research led by Dr. Kalman center also provides some additional information. .The parties involved in the investigation that the Air Force and Army units discovered the object can not be American-made equipment for the following reasons: the object is a circular disc of the platform, and all the equipment used in the United States is not like the design; above .there is no propulsion system, ventilation or exhaust pipe, and no aircraft engines. .Ford U.S. Army White Sands Brisbane secret secret test site and test site are German scientists to work there, they also think that after investigation it is not Germany's secret weapon. .There is a possibility that this object is a Soviet-made. .However, most people doubt the man-made objects is not out of the Soviet Union, because in any logo, serial number and the use of instructions written in the Cyrillic alphabet. .</ P> <P> unidentified object in the internal examination, they found an engine compartment as the atom, and that the object is to promote some of the actual unit, which has the same heat exchanger as a function of reactor .It is the same as the human-made atomic bomb releases energy. .The front end is a flying object compartment, round, like a turret on the half. .Unidentified object there is no canopy, no sunroof and no other optical projection, which proves the idea that the object is remote. .</ P> <P> </ P> </ p>.