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This Defense Intelligence Reference Document, dated 30 March 2010, was prepared by the Defense Intelligence Agency's Defense Warning Office under its Advanced Aerospace Weapon System Applications Program. It reviews quantum entanglement, nonlocality and EPR experiments, and asks whether nonlocal quantum effects could carry observer-to-observer signals faster than light. The paper describes proposed experiments and an example of real-time Earth control of a Mars rover. It concludes that there is no compelling answer yet and that experimental tests are needed.
From the source:Release of 2026-09-18 Incident: 3/30/10, 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 reviews quantum entanglement and nonlocality with a focus on whether those phenomena might be usable as a means of faster-than-light communication between observers, especially for real-time space operations over interplanetary distances. The report surveys the relevant quantum experiments and no-signal theorems, then examines proposed communication schemes based mainly on momentum-entangled photons, including scenarios involving superluminal and retro-causal signaling. However, it repeatedly acknowledges that the central question remains unresolved experimentally, and it gives substantial attention to the coherence-versus-entanglement tradeoff and other features of standard quantum mechanics that may prevent usable signaling even if non-local correlations are experimentally validated. Overall, the document is an exploratory analysis of whether quantum nonlocality could conceivably support a practical communications application rather than a demonstration of prospective utility.
UNCLASSIFIED/ /FOR OFFI@IAI! WSE OHi!:¥ Offer Waves Non&r-r ei,naI Confirmah.on Wav es ca...G) E ca u Comple 12d Transaction Figure 9. Transactional Interpretation Diagrams for Case 2, The left-going offer waves pass through both slits of S2, where the waves are combined and detected by the center detector (circled) . The momentum-entangled right-going offer waves pass through the both slits of S1 , which are the optical images of S2, and interfere at th e camera. Confirmation waves return, and the two -slit transaction forms . Therefore, from the point of view of the transactional interpretation of quantum mechanics (Reference 19), the nonlocal connection between detection events at the two ends of the experiment arises because the detection transactions for the two entangled photons must share a "two- way handshake" at the nonlinear crystal, a condition that can be realized only when the summed vector momenta of the two photons equals that of the pump-laser photon that created them. This view explains Dopfer's observations (Reference 19) and indicates that, in the absence of overwhelming noise or restrictions imposed by coherence/entanglement complementarity, no coincidence should be required between the two detectors in the experiment to observe that change in the pattern observed at D1 when detector D2 is moved. This remains true in the configurations discussed below, when slit S2 is lengthened with many kilometers of fiber-optic light transmission cable to enable superluminal and retrocausa l signal transmission. In other words, analysis of the nonlocal communication test system with the transactional interpretation reveals no "show-stopper" aspects that would prevent superluminal and retro-causa l signal transmission. The transactional interpretation is neutral on whether such signals are possible. UNCLASSIFIED/ /fOR OFFI@I.t.k W&liii 0PIL¥ 16
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 32 pages are in the text index: search them above, or from the library's search.