Case File · FBI · Cold War / Blue Book Era (1953-1969) Declassified May 8, 2026 · PURSUE Release 01

South Berwick, Maine UFO Sighting (July 24, 25, 26, 1954) — FBI Files

UFO Visual Sighting

FBI investigators examined claims in South Berwick, Maine, that an individual was receiving extraterrestrial messages through thought control in July 1954.

July 24, 25, 26, 1954
South Berwick, Maine
Source document: 65_HS1-834228961_62-HQ-83894_Section_8
Source document: 65_HS1-834228961_62-HQ-83894_Section_8 · Source: declassified document

Historical Context

The mid-1950s represented a period of heightened atmospheric and psychological tension in the United States. As the Cold War intensified, the presence of unidentified aerial phenomena became a matter of national security concern. During this era, the United States Air Force maintained various programs, most notably Project Blue Book, to investigate reports of Unidentified Flying Objects. While many sightings involved physical craft, the period also saw a rise in reports involving telepathic or psychological phenomena, often categorized under the broader umbrella of anomalous encounters.

In the New England region, particularly in coastal states like Maine, the landscape provided a backdrop of isolation and maritime tradition that often accompanied such reports. During the 1950s, the federal government maintained strict protocols for monitoring unusual activity near vital installations and communication hubs. The Federal Bureau of Investigation (FBI) played a significant role in this monitoring, utilizing its various field offices—including those in Knoxville, Albuquerque, and Los Angeles—to route UFO-related reports to headquarters. This centralized processing was part of a broader effort to assess whether unidentified phenomena posed a threat to domestic stability or national defense infrastructure.

The South Berwick Incident

On July 24, 25, and 26, 1954, an incident occurred in South Berwick, Maine, that prompted direct federal investigation. The details of this encounter were later released to the public on May 8, 2026, as part of the Presidential Unsealing and Reporting System for UAP Encounters (PURSUE). The investigation was prompted by specific claims made by a resident, Mrs. Swan, regarding her contact with entities from beyond Earth.

At the invitation of Admiral Knowles, FBI agent Hutson conducted an investigation into Mrs. Swan’s assertions. The investigation involved interviews with both Agent Hutson and physicist Wilber B. Smith. The core of the investigation centered on Mrs. Swan’s claim that she was receiving messages via thought control from outer space. During the investigative process, the officials observed Mrs. Swan engaged in a process of writing messages that she claimed were being transmitted to her by extraterrestrial beings.

The documentation indicates that the phenomenon was not merely a passive reception of information but an intense physical activity. Mrs. Swan stated that she would write without any effort on her part and would write continuously for four or five hours at a time without getting tired. Furthermore, her claims extended to the idea that these beings possessed the capability to use her physical senses as a medium. Specifically, she stated that people from outer space could use her eyes and ears to see and hear, suggesting that a mechanical device could be utilized to record conversations through her sensory perception.

Investigative Status and Analysis

The released FBI documents do not specify the total number of witnesses to these events, focusing instead on the direct observations of the investigators and the subject herself. The case is classified as a visual sighting reported by ground or air observers, though the primary evidence recorded pertains to the documented behavior of the subject during the writing of the messages.

As of the current records, the status of the South Berwick incident remains unresolved. Under the protocols of the All-domain Anomaly Resolution Office (AARO), all records released under the PURSUE program are designated as unresolved by default. The federal government has not reached a conclusion regarding whether the events were anomalous or conventional, leaving both possibilities open.

In the broader context of 1950s UFO investigations, researchers often compare such cases to conventional phenomena. During this period, many sightings were attributed to experimental aircraft, weather balloons—specifically the Project Mogul series used to detect Soviet nuclear tests—or atmospheric optical phenomena such as lenticular clouds and sundogs. Astronomical objects like Venus, the Moon, or meteors near the horizon also frequently provided conventional explanations for unidentified lights. However, the South Berwick case remains distinct due to its focus on the psychological and telepathic elements reported by the subject.

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