Johnson AB Japan radar-visual unidentified-object report — February 1951

On or during February 1951, at or near Johnson AB Japan, Japan, the source reports the following sequence: LENGTH OF OBSERVATION Not Reported 8. Made 3 light manuevers and then object moved to upper right while s/c was in turn. As the aircraft was climbing to an altitude of 6000', an unidentified object at an altitude of 6000' was observed. After the turns had been completed, the object was at an altitude of 3000' and disappeared 1302/I. After the aircraft leveled off, the pilot reported the object to the operations officer. The Meteorological Section of the 543rd AAA Gun Battalion, which is located at Johnson Air Base, 22 miles NW of Tokyo, reported 10 minutes prior to the object's appearance at 1302/I that weather conditions were normal with no unusual phenomena. The pilot and radar observer stated that they had observed another aircraft which was approaching Johnson Air Base prior to sighting the object. The star may have disappeared behind a cloud or have caused the observation of a light which was rapidly with one of nature.