🔓DeclassifiedDepartment of War

DOW-UAP-D096, Correspondence Relating to Project Blue Book, 1955

WAR.gov / Department of War PURSUE Release 04

This file contains correspondence relating to Project Blue Book, a 1952-1969 U.S. Air Force program to investigate the nature and origin of unidentified flying objects (UFO).

Type
Declassified
Agency
Department of War
Released
July 10, 2026

Document Highlights

Note: Highlights are derived from OCR-recognized document passages and file metadata. Please verify important claims against the original scan.

Short overview

This 1955 file contains letters and memoranda exchanged among U.S. Government departments, agencies, the Legislative Branch, and private citizens concerning UFO sightings and Project Blue Book. Project Blue Book was the Air Force program that investigated UFO reports from 1952 to 1969.

Why this is interesting

Rather than presenting one case in isolation, the correspondence reveals the administrative and public-facing side of the program: questions, reports, requests for information, and discussion of its research and findings.

Selected passages

  • “correspondence relating to Project Blue Book”
  • “letters and memoranda”
  • “research and findings of Project Blue Book”

Background

This file contains correspondence relating to Project Blue Book, a 1952-1969 U.S. Air Force program to investigate the nature and origin of unidentified flying objects (UFO). The correspondence includes letters and memoranda sent between various departments and agencies of the U.S. Government, the Legislative Branch, and private citizens concerning UFO sightings and the research and findings of Project Blue Book.

DOW-UAP-D096, Correspondence Relating to Project Blue Book, 1955 | UAP Timeline