National Archives II -- The Air Force Declassification Office is pleased to release records on Project Grudge, which was part of the Air Force effort to investigate Unidentified Flying Object reports starting in 1949. These documents contain reporting procedures, planned responses to press and public inquiry, and investigative reports conducted by the Air Force in early 1950.
To find the documents click on the UFOs link on the declassified documents page or click here to go directly to the document.