Our website is made possible by displaying online advertisements to our visitors.
Please consider supporting us by disabling your ad blocker.

Responsive image

Project Sign

Project Sign report

Project Sign or Project Saucer was an official U.S. government study of unidentified flying objects (UFOs) undertaken by the United States Air Force (USAF) and active for most of 1948. It was the precursor to Project Grudge.

Previous Page Next Page

Πρόγραμμα Sign Greek Proyecto Signo Spanish Projet Sign French Projekt Sign Croatian Progetto Sign Italian Project Sign Polish Projeto Sign Portuguese Project Sign Romanian Dự án Sign VI

Responsive image

Responsive image