US Navy Files - UAP Incident Summaries (1948-1955)

Three summary volumes from the U.S. Navy archive 38, covering the critical 1948-1955 era. The summaries document UAP sightings by naval aviators, destroyer crews, and patrol aircraft over the Pacific and Atlantic oceans. Many of the original reports were filed under "pyramid apex" classification — the Navy's designation for unprecedented material. Released through PURSUE Release 1 on May 8, 2026.