This article was published in the newspaper Current Science and Aviation, USA, January 22, 1945.
Latest Nazi aerial weapon is the "foo-fighters" - mysterious red and silver balls of fire which follow allied planes at speeds of 300 miles per hour. It has not yet been determined what purpose this new weapon may have. The balls do not hit our planes, but merely fly alongside, then suddenly zoom out of sight. Apparently radio-controlled, they may be only a psychological threat.