UFO Paper:
“NCP-06: The Oak Ridge Mini-Flap”
by Lawrence A. Fawcett & Barry J. Greenwood
(Nuclear Connection Project, NICAP.org)

The paper reports on the UFO sightings that were made over Oak Ridge Nuclear Laboratory (ORNL) (Oak Ridge, Tennessee) in the period 1947-1952:

http://www.nicap.org/ncp/ncp-nuc171-175.htm

Wikipedia article: “Oak Ridge National Laboratory”:

http://en.wikipedia.org/wiki/Oak_Ridge_National_Laboratory

“Y-12” Area at Oak Ridge, Tennessee

(nicap.org photo)