AAWSAP DIRD, Anomalous Acute and Subacute Field Effects on Human Biological Tissues, March 2010

This Defense Intelligence Reference Document, dated 11 March 2010, was prepared by the Defense Intelligence Agency's Defense Warning Office under the Advanced Aerospace Weapon System Applications program. It reviews reported injuries to people exposed at close range to anomalous aerospace vehicles and attributes them mainly to electromagnetic radiation field effects, including burns, neurological and auditory effects. It argues that clinical diagnoses can help infer the characteristics of advanced systems. The appendices hold a case catalog and ICD code tables.

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 surveys reported acute and subacute injuries allegedly associated with close exposure to anomalous field effects, attempting to draw tentative parallels between these claimed symptoms and the known physiological effects of intense radiofrequency .and microwave exposure on human tissue. By reviewing medical and biophysical literature on heating, burns, neurological effects, and sensory disturbances, the report speculates on theoretical mechanisms by which intense electromagnetic fields might account for some of the reported injury patterns, though it does not establish a direct causal link between the reported injuries and any specific source. It hypothesizes that clinical symptoms and reported exposure circumstances might allow for highly constrained, limited inferences regarding the characteristics of an unknown emitter or propulsion system. Notably, the document’s findings rely heavily on case comparisons lacking physical examinations, untestable exposure conditions, and a mix of established science and more controversial literature. These comparisons are then extended to anomalous-craft scenarios, attempting to map known electromagnetic injury mechanisms onto anomalous encounter claims that lack independent scientific validation in the report.

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The evidence discussed includes scientific material that has been peer
reviewed, contained in recently declassified government documents, and early
emergent clinical medical analyses also underway in companion research
studies.
• Based on historical cases, humans have been found to have been injured
from exposures to anomalous vehicles, especially airborne, and when in
relatively close proximity.
• The primary mechanisms of injury are related to electromagnetic radiation
field effects (EMR field effects).
• The biophysical characteristics of the injuries are well understood.
• The energy related propulsion systems are not well understood.
• The potential deployment of systems is thus important to understand.
• Sufficient incidents/accidents have been accurately reported, and medical
data acquired, as to support a hypothesis that some advanced systems are
already deployed, and opaque to full US understanding.
• Amongst the most important pathophysiological effects are:
- Heating and burn injuries
o Ionizing and non-ionizing
o Thermally induced
- Neurological effects
o Cognitive/ central nervous system
o Neuromuscular / central & autonomic nervous systems
o Sensory/ peripheral nervous system
o Neuropsychiatric / neuroendocrine
- Auditory/ cranial nerves VII & VIII
o Communication & disabling effects
o Noise and central neurocognitive
• Analysis of clinical diagnostic codes together with environmental
conditions observed during anomalous events are clustered in
meaningful ways.
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