Description: This photo was taken by John R. English, past Director of the "International Aerospace Hall of Fame" (IAHF), San Diego Air & Space Historical center. He was involved in the research, selection, and installation of several US and foreign Astronauts, as well as other significant aviation related candidates. He was a Licensed pilot S.E.L. and a "Diamond" level Soaring pilot (18 years), with approx. 400 flight hours logged, 350 in high performance Sailplanes in multiple flight envelopes and conditions.Two aircraft observed the anomaly, and a chase plane photographed it.