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This Defense Intelligence Reference Document is dated 11 March 2010. It was prepared by the Defense Intelligence Agency's Defense Warning Office as part of the Advanced Aerospace Weapon System Applications program. It is a technical paper arguing that spacecraft driven by deuterium thermonuclear reactions could be built with current science and could reach the outer solar system. It covers magnetic insulation, ignition by proton beams, a Super Marx generator and conjectured chemical superexplosives. It does not discuss any UFO sightings.
From the source:Release of 2026-09-18 Incident: 3/11/10, 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 advanced nuclear propulsion for crewed deep-space travel and argues that human missions beyond the Moon would require propulsion systems with both very high thrust and very high specific impulse, which the author contends are difficult to achieve with conventional chemical, nuclear-thermal, and nuclear-electric systems. The report focuses on concepts derived from Project Orion, the discontinued General Atomics nuclear pulse propulsion study sponsored first by ARPA and later by the U.S. Air Force between 1958 and 1965, in which a spacecraft would be driven by repeated nuclear explosions. In this case, the DIRD emphasizes small non-fission-triggered fusion explosions using deuterium, magnetic mirrors, and other unconventional ignition concepts intended to avoid the inefficiencies associated with small fission devices. It presents these ideas as a possible pathway to crewed missions across the solar system, while also linking them to broader visions of long-range human expansion into space. The document is exploratory in character and depends on several unproven ignition methods, enabling technologies, and engineering assumptions. Overall, it is a theoretical examination of fusion-based pulse propulsion concepts rather than as a documentary account of a technology nearing practical realization.
UNCLASSIFIED/ /FOR OFFl@IAL 148E OHL¥ To erect the Super Marx, its capacitors C are switched into series by circular spark gap switches S. The capacitors of the Super Marx are magnetically levitated inside an evacuated tunnel and magnetically insulated against the wa ll of the tunnel by an axial magnetic field B, generated by superconducting external magnetic field coils M. The magnetic insulation criterion requires that B > E, where B is measured in gauss and E in electrostatic cgs units. If B = 3x 104 G, for examp le, magnetic insulation is possible up to E = 3xl04 esu ~ 107 Vjcm, at the limit of electron field emission. To withstand a voltage of 109 volts between the outer positively charged surface of the capacitors in series and the tunnel wall then requires a distance somewhat greater than 1 meter. The capacitance of one co-axial capacitor with the inner and outer radius Ro and R1 of length / and filled with a dielectric of dielectric constant E is I C = c ( ) [cm] (34) 2 1n R) R0 Assuming a breakdown strength of the dielectric larger than 3 x 104 V/cm and a potential difference of 107 volts between the inner and outer conductor, the smallest distance of separation d between both conductors has to be d = R, - Ro =3 x 102 cm. If, for example, l = 1.6 x 103 cm, R, = l/2 =8 x 102 cm, and & =10 , one finds that C =2xl04 cm. For these numbers, the energy e stored in the capacitor (V =l07 volts =3xl04 esu) is (35) which for the 100 capacitors of the Super Marx add up to e - 10'5 erg . About 10 t imes more energy can be stored if the radius of the capacitor is about 3 times larger, if there is a larger dielectric constant, or if a combination of these conditions exists. This means that for about 100 capacitors, energy 1016 erg = 1 GJ can be stored in the mile-long Super Marx. Another idea, proposed by Fuelling (Reference 19), is to place the ordinary Marx generators of the first stage inside the coaxial capacitors of the Super Marx. The advantage of this configuration is that it does not require disconnection of the Marx generators from the capacitors of the Super Marx prior to its firing. Because the charg ing and discharging of the Super Marx can be done very fast, one can use compact water capacitors where & =80 . And instead of magnetic insulation of the capacitors of the Super Marx against the outer wall, one can perhaps use t ransformer oil for the insu lation. Giving each inner segment of the Super Marx enough buoyancy, for example by adding air chambers, these segments can be suspended in the transformer oil. There the outer radius of the co-axial capacitors is much larger. Th is permits storage of gigajoule energies in the Super Marx. UNCLASSIFIED/ /POil Offl@IAL 148E OHLl/ 23
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 37 pages are in the text index: search them above, or from the library's search.