UAP Case File

Mt. Etna Object

In December 2018, a forward-looking infrared video sensor aboard an uncrewed U.S. Air Force platform captured this footage while operating over the Mediterranean Sea. This footage depicts an object that appears to be transiting a plume of superheated gas and ash produced by an eruption of Mt. Etna, a volcano in Sicily, Italy. AARO coordinated an interagency and international analytical effort that determined that optical effects from the intense atmospheric conditions near the volcano distorted the video, causing the object to appear to transit the plume. AARO assesses with moderate confidence that the footage instead depicts a balloon approximately 170 kilometers from the caldera traveling at wind speed and direction. Mt. Etna Case Resolution

Unreviewed

Summary

In December 2018, a forward-looking infrared video sensor aboard an uncrewed U.S. Air Force platform captured this footage while operating over the Mediterranean Sea. This footage depicts an object that appears to be transiting a plume of superheated gas and ash produced by an eruption of Mt. Etna, a volcano in Sicily, Italy. AARO coordinated an interagency and international analytical effort that determined that optical effects from the intense atmospheric conditions near the volcano distorted the video, causing the object to appear to transit the plume. AARO assesses with moderate confidence that the footage instead depicts a balloon approximately 170 kilometers from the caldera traveling at wind speed and direction. Mt. Etna Case Resolution

At a glance

Case ID
MT-ETNA-OBJECT
Region
Mediterranean Sea, near Mt. Etna, Sicily, Italy
Submitting organization
All-domain Anomaly Resolution Office
Sensor
Infrared · Visual
Government assessment
None published
Government investigation
All-domain Anomaly Resolution Office (AARO) review; footage released by the U.S. Department of Defense.
SCS status
Unreviewed
Attached records
1

Evidence Chain

1 government record attached across 1 agency source. Every item links back to the original record.

Primary Source (1)

The record the case is built on.

  1. Mt. Etna Object

    All-domain Anomaly Resolution Office · AARO Released Imagery · NAID AARO-DVIDS-944201 · Video

    Government record AARO-DVIDS-944201 released by AARO.

Documented Claims

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No claims have been extracted and reviewed for this case yet.

Citations & quote-level provenance

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  1. [1]Government record AARO-DVIDS-944201 released by AARO.

    Mt. Etna Object

Government records

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Citation graph

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Cite this page

2nd City Standard, UAP Intelligence Archive. “Mt. Etna Object.” Last updated 2026-08-22. https://2ndcitystandard.com/uap/cases/mt-etna-object

2CS Evidence Score

Not yet scored. This case has not been through the scoring methodology, so no number is shown.

Source Provenance

Event Date
Location
Mediterranean Sea, near Mt. Etna, Sicily, Italy
Primary Agency
All-domain Anomaly Resolution Office
Government Investigation
All-domain Anomaly Resolution Office (AARO) review; footage released by the U.S. Department of Defense.
Witnesses
Not recorded
Trained Observers
Not recorded
Radar
Not in record
Infrared
Yes
Photo / Video
Yes
Physical Evidence
No
Attached Records
1
Last Editorial Review
8/22/2026
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