xf-5-u-1

Updated: May 9, 2025

The ideas as to the origin of the UFO's fell into two main categories, earthly and non-earthly. In the earthly category the Russians led, with the U.S. Navy and their XF-5-U-1, the "Flying Flapjack," pulling a not too close second. The desire to cover all leads was graphically pointed up to be a personal handwritten note I found in a file.

Edward J. Ruppelt - The Report on Unidentified Flying Objects