DOW-UAP-D100 — Air Materiel Command Report on Unidentified Flying Objects, 1947-1948 | PURSUE Release 05 Analysis

An Air Materiel Command report on unidentified flying objects covering 1947–1948 — the Project Sign era.

DOW-UAP-D100 is an official document in PURSUE Release 05, published by the U.S. Department of War on August 7, 2026 at war.gov/UFO. Agency of origin: Department of War. Incident date: 1947-1948 · location not specified.

Air Materiel Command at Wright Field ran Project Sign, the USAF’s first formal UFO study, launched after the 1947 sighting wave. Its internal debate over the “interplanetary” hypothesis shaped every US program that followed.

SkyLens catalogs every PURSUE record as an unresolved case — the government states it cannot make a definitive determination on the phenomena. Nothing in these files has been officially concluded to be extraterrestrial. Read the primary source and judge for yourself.

View the official document on war.gov → · Browse the full PURSUE Release 01–05 archive.