Wilbert Smith Archives Files Box 1136 03 1136-03-p002
Document Text (OCR)
PROJECT BLUE BOOK The United States Air Force has the responsibility under the Department of Defense for the in- vestigation of unidentified flying objects (UFOs). The name of this program, which has been in opera~ tion since 1948, is Project Blue Book. It has been identified in the past as Project SIGN and Project GRUDGE. Air Force interest in unidentified flying objects is related directly to the Air Force responsibility for the air defense of the United States. Procedures for conducting this...