Sept. 26, 1952; 400 miles NNW of Azores Islands. 11:16 p.m.
       Witnesses:  pilot, copilot, engineer and aircraft commander of
       USAF C-124 transport plane. Two distinct green lights were seen
       to the right and slightly above the C-124, and at one time seemed
       to turn toward it.  The lights alternated leading each other
       during more than 1 hour of observation.