|At 161OZ, 23 September 1951, an object was sighted and reported over Long Beach, California, at 50,000 feet. Four (4) F-86 were dispatched to investigate and sighted object over Muroc, California. Attaining an altitude of 43,000 feet, F-86 sighted object to be in constant orbit in the vicinity of March Air||
By Air Intelligence Information Report
CG 27th Air Division
Force Base, California, at an altitude between 50,000 ft and 55,000 ft.