---
title: "Pentagon Declassifies 1949–1955 Archives: What Was Really Seen Near Catalina Island"
description: "The Pentagon has declassified 1949–1955 archive documents regarding UFO sightings near Catalina Island, California. The military acknowledged a lack of data for final conclusions."
date: 2026-10-28T06:19:48.298Z
lang: en
url: https://xab.info/en/posts/pentagon-declassifies-ufo-archives-catalina
tags: [pentagon, ufo, catalina-island, declassified-documents, unidentified-objects, california]
author: "Alexander Buran"
publisher: "XAB.info"
---

# Pentagon Declassifies 1949–1955 Archives: What Was Really Seen Near Catalina Island

![Pentagon office desk with UFO documents and maps of Catalina Island](https://xab.info/media/2026/10/28/pentagon-rassekretil-arhivy-nlo-katalina/pentagon-rassekretil-arhivy-nlo-katalina-1.webp)

## Key Points

- The Pentagon declassified 1949–1955 documents on UFO sightings near Catalina Island
- A 1952 intelligence report describes a 'silver object' seen by three Boy Scouts
- A 1949 letter from an Avalon resident records the sighting of 10 objects
- Some cases (Jupiter, meteor) were explained, most were not
- The military acknowledges a lack of objective data for final conclusions

The Pentagon has released a new batch of declassified documents dedicated to sightings of unidentified aerial phenomena (UAP). A significant portion of the declassified materials relates to the coastal waters of Southern California and, in particular, Catalina Island, which for decades has remained one of the most discussed points on the map of anomalous phenomena. This is reported by RBC-Ukraine with reference to the Pentagon report. Among the documents are military intelligence reports, letters from local residents, and official memos describing incidents recorded between 1949 and 1955.

### Boy Scout Hike and the 'Silver Object'

One of the most detailed materials in the declassified package is a Military Intelligence report dated August 28, 1952. The document describes an incident that occurred on June 25 of the same year near the Camp Fox summer camp on Catalina Island. Three Boy Scouts on a hike reported seeing a 'silver object that moved silently and at a speed exceeding the capabilities of jet aircraft of that time.' According to the teenagers, the object performed a rapid climb with a turn, after which, according to their testimony, it 'disintegrated or dissolved in the air.' Intelligence officers who compiled the report directly pointed out that assessing the reliability of the testimony is extremely difficult due to the lack of any measuring instruments among the witnesses.

### Avalon Resident's Letter and 'Ten Objects'

Among the published materials, a letter from Avalon resident Percy McKee, dated May 1, 1949, was found. The man described how his wife and other witnesses observed '10 unknown objects moving sequentially in one direction.' The document contains no official conclusion regarding the nature of the observed phenomena, which is typical of the early practice of recording reports by civilian observers.

### Jupiter, Meteor, and Other 'Solved' Cases

Not all episodes recorded in the archives remained unexplained. The sighting of a violet-white glow in November 1953 over the city of San Pedro was subsequently identified by military personnel as the planet Jupiter. The fall of a bright orange circular object in March 1955 was classified as a probable meteor fall. Nevertheless, in the military summaries for most other cases, it is explicitly stated that there is a lack of objective data for final conclusions, which effectively leaves these episodes in an 'unidentified' status.

### Sycamore Knoll and the Conspiracy Context

The coastal waters of Southern California have long attracted the attention of anomaly researchers—both skeptical scientists and ufologists. In particular, the Sycamore Knoll underwater plateau, located 70 kilometers from Catalina Island, is considered by proponents of conspiracy theories to be a possible location for an underwater base of extraterrestrial civilizations. The Pentagon in the declassified documents neither confirms nor denies such hypotheses, limiting itself to stating the lack of sufficient objective data. Nevertheless, the very fact of systematic recording of reports of unidentified objects in one geographical area over several years makes the Catalina archives one of the most cited bodies of work in the discussion about the nature of UFOs.

## Fact-Check & Sources

- [Подводная база или неизвестные объекты: Пентагон обнародовал новые архивы об НЛО](https://www.rbc.ua/ukr/news/pidvodna-baza-chi-nevidomi-ob-ekti-pentagon-1793114962.html) - The source confirms the fact of document declassification and provides their content. The fact of UFO sightings itself is not a confirmed scientific fact—the military points to a lack of data. The caveat concerns specifically the nature of the observed objects, not the fact that the archives exist.

## FAQ

### What exactly did the Pentagon declassify?

The Pentagon released a packet of declassified documents, including a Military Intelligence report from August 28, 1952, a letter from an Avalon resident dated May 1, 1949, and official memos on sightings from 1953 and 1955. Most materials relate to Catalina Island and the coastal waters of Southern California.

### Did the Pentagon confirm the existence of UFOs?

No. Military summaries for most cases indicate a lack of objective data for final conclusions. Some episodes were explained (Jupiter, meteor), while others remain in an 'unidentified' status.

### What is Sycamore Knoll and why is it mentioned in the context of UFOs?

Sycamore Knoll is an underwater plateau 70 kilometers from Catalina Island. Proponents of conspiracy theories consider it a possible location for an underwater base of extraterrestrial civilizations. The Pentagon in the declassified documents neither confirms nor denies this hypothesis.

### What is the most detailed case described in the declassified documents?

A report dated August 28, 1952, describing the sighting by three Boy Scouts on June 25, 1952, near Camp Fox. The teenagers saw a 'silver object' moving silently at a speed higher than jet aircraft, which after a rapid climb 'disintegrated or dissolved in the air.'