UFO's and Defense What Should we Prepare For

Iluminous, which has frequently been observed around unknown objects). As for the
magnetic field, it can be created as it is for boats.. However, propulsion is much more I·difficult to achieve in air, since, in that case1 it must not only propel the aircraft but first of
all compensate for its weight. The electrical and magnetic fields required are therefore
much stronger than for a _naval ship and, in practice, obtaining the very strong fields that Iare essential is scarcely conceivable without having recourse to superconductive wirings.
Still theoretical until a only few years ago, their use in an aerial vehicle has been a credible
prospect since 1991 , with the discovery of superconductors capable of operating at near Iambient temperatures.
Propulsion in the atmosphere without propellers or jet engines is, therefore, completely
possible in principle with MHD, and the calculations show that the power necessary is not, Iin certain cases, incompatible with our current aeronautical engines. The fact that no
cooling system has been seen (or heard) on the objects that have been observed close up
can be explained as long as the length of the craft's flights does not. exceed a few dozen Iminutes. Furthermore, other motors that we already use - electric motors, from energy
stored onboard or flywheels if they are not yet powerful enough - would not need immediate
cooling, which duly proves that this problem is not insurmountable. INumerous witnesses have been struck by the silence accompanying the maneuvers of
the objects, which do not create a "bang" even at supersonic speeds (cf. Part 1, Chapters
1, 2, and 3). :MHD propulsion could account for this silence: preliminary experiments in Inoise reduction by eliminating the wake and shock wave, albeit under very special
conditions, are encou raging.
There has been extensive work on the different aspects of MHD propulsion of aircraft Iabroad: in the United States at Rensselaer Polytechnic Institute in Troy (NY), and
according to the journal New Scientist (February 1996), in Great Britain and in Russia.
To sum up, based on the current state of our knowledge, an MlID aircraft model is Iconceivable in the short term, while the creation ofa craft having the same movement
capabilities as the aerial vehicles described by the witnesses seems quite· likely to us within
a few dozen years. For the time being, only the quasi absence of perceptible air flow and Inoise while hovering close to the ground pose problems.
I8.1.1.2 Other Propulsion Methods
In a vacuum, the absence or scarcity of molecules or atoms prevents current flow in the Imedium as well as the projection of a mass of sufficient substance pulled from this
medium. MlID propulsion is therefore not possible, and it is necessary to formulate other
hypotheses. Jet propulsion by means of chemical reactions, comparable to our rocket Iengines - even though its performance is more advanced - should not be ruled out a
priori. In fact,. the space phase of the travel of unknown objects takes place very far from
sight. IIn addition, skins for stealth purposes render them invisible to telescopes and radars
beyond a few lcilometers or a few dozen kilometers. Consequently, at these distances,
these objects could very well use classic propulsion systems without being detected. IMainly, then, problems with respect to power consumption and mass to be expelled are
raised, but the method reviewed below in 8. 1.1.3 would enable these problems to be
partially solved. IMore advanced technologically are propulsion systems that call for very high velocity
exhaust - a considerable fraction of the speed of light - of particle beams. Due to the
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