Record 215 · March 2010
Anomalous Acute and Subacute Field Effects on Human Biological Tissues
Defense Intelligence Agency (DIA) · United States
Ledger illustration of the record — not a scan of the original paper. — Night Ledger illustration of the file
The paper reviews historical cases in which human observers sustained injuries, including burns, radiation-like symptoms, blood dyscrasias, neurological effects, and in some instances longer-term conditions such as malignant transformations, after encounters with anomalous vehicles. It argues that these effects can provide forensic clues about the propulsion or energy systems of such vehicles, potentially informing reverse-engineering efforts or threat assessments to U.S. interests. Mechanisms discussed center on heating from electromagnetic radiation (both ionizing and non-ionizing), neuromuscular disruption, and other field effects. The report compiles both published and unpublished medical cases, including some linked to UAP sightings, but presents the analysis as a scientific and medical evaluation of reported anomalous acute and subacute field effects rather than confirming the existence of extraterrestrial craft or occupants.
Public file: Defense Intelligence Agency FOIA Reading Room

