10 MAY 1957, Page 14
UFO Intelligence .
THE 900 m.p.h..mystery. Its height-40,000 feet. Was it a met, balloon caught in a freak 'jet stream' of wind? Or a foreign aircraft? Or a flying saucer?
Daily Herald, May 1.
. . . flying at a height -between 46,000 and 48,000 feet. . . —Star, April 30. , ' NO DETAILS of the .height. and speed: of the object, were available.—Manchester Guardian, May 1.