AAWSAP DIRD, Negative Mass Propulsion, January 2011

This Defense Intelligence Reference Document, DIA-08-1101-023, is dated 3 January 2011. It was prepared by the Defense Intelligence Agency's Defense Warning Office as one of a series of advanced technology reports produced in FY 2010 under the Advanced Aerospace Weapon System Applications program. It covers theories of negative mass, including Bondi's mass dipole, Zitterbewegung and a Planck aether hypothesis. It proposes tunneling through the Moon with thermonuclear shaped charges to search for trapped negative matter. It concludes that such propulsion may perhaps be possible through an ultra-light form of matter but remains speculative.

From the source:Release of 2026-09-18 Incident: 1/3/11, Las Vegas, Nevada. Released with redactions. This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP’s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD’s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed. This DIRD examines whether negative mass could exist in a physically meaningful way and whether it could someday reduce the energy cost of spaceflight. The report reviews the unusual dynamics that would follow if positive and negative mass could interact, including self-accelerating mass pairs and matter with very low or nearly zero effective inertia, and treats such ideas as at least formally compatible with certain extensions of gravitational theory. It then considers two broad paths toward practical use: creating or separating negative mass through extreme fields or particle energies, and locating naturally separated negative matter in deep gravitational wells such as galactic centers or possibly the Moon. However, the document also concludes that the first path is effectively beyond technical reach and treats the second as highly uncertain, resting on a long chain of unverified assumptions about the existence, separability, and macroscopic behavior of negative mass. Overall, this DIRD is a far-reaching theoretical exploration of an exotic propulsion concept whose practical application depends on premises that remain unestablished in consensus physics.

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make a critical assembly) released. For a 10 kiloton fission explosion the shatter rad ius
computed from (110) is ~ 20 m. With a tunnel radius ro ~ 10 m one would have
(rs/ r0 ) ~ 2and from (118) that
1-(!_) ~ 29( / ) (121)R - Po Pmax •
Putting for the depth of the tunnel (if measured from the surface of the moon)
8=R - r, with
(122)
or that 8 ~ 10km .
For a depth < 10 km the nuclear explosion with a yield < 10 kiloton would suffice, a
yield which is uneconomical. It is for this reason suggested that one uses altogether
thermonuclear explosive devices where the cost per yield is much lower. To penetrate
and shatter the rocks more efficiently, jet-generating thermonuclear explosive lenses
could be used. The thermonuclear detonation wave ignited at one point is there shaped
into a jet-producing conical explosion by placing obstacles in the path of the wave. The
ignition can be done by a fission explosive, but conceivably also by a powerful laser
beam, with the laser beam projected down the tunnel shaft, triggering the
thermonuclear explosive positioned at the lower end.
With the above-given estimate of ~ 50 Megaton needed to dig the tunnel shaft, the
number of thermonuclear explosive devices making use of the detonation wave lens
technique could for this reason be quite reasonable, and certainly much less than the
number of required fission explosives.
After nuclear explosions have crushed the rocks and the heat is removed, the tunnel
wall has to be made from some kind of ceramic material, since water with which to
make concrete is only sparsely available on the moon. But for the wall to last, its
temperature must be kept low. The low heat conductivity of rocks, requiring little
cooling, is there of considerable help. For the crushed rocks the heat conduction
coefficient should not be very different than for solid rocks. According to eqn (112) the
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