“British Report Flying Saucer”, 20 September 1952
(The Ludington Daily News, Michigan)
This is an article on the UFO sighting that occurred during the NATO naval exercise, Operation Mainbrace in 1952:
http://news.google.com/newspapers?id=Wa4wAAAAIBAJ&sjid=UjwDAAAAIBAJ&pg=3876,856446
Crewmen of an RAF bomber sighted a manoeuvring UFO on
19 September 1952.
The NATO naval exercise took place in the North Atlantic Ocean from 14 to 25 September 1952.
Yorkshire Evening Press article, 20 September 1952
(latest-ufo-sightings.net image)