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Chris Gibson: (azonalli felismerõ csoport)
Royal Observer Corps, aircraft recognition team, for twelve years. He was considered an expert in this field and had himself written an aircraft recognition manual for the Corps. What Chris Gibson saw that day was four aircraft flying in formation, the largest of the four was a KC-135 Stratotanker, on its left flank were two F-111's and on the right was a mysterious black triangle that despite being an expert in aircraft identification, Gibson could not identify. Gibson states that this remains the only aircraft he has never been able to identify.
According to a tentative analysis by Jane's Defence Weekly, Aurora has been airborne since around 1985. The 75-degree swept triangle design of the aircraft, which was described by Mr. Gibson, corresponded to designs of hypersonic aircraft designed to travel at speeds in excess of Mach 5. The aircraft, which Jane's Defence Weekly estimates cost around $1 billion each and first flew in about 1985, certainly they were thought to be fully operational by 1990 when the U.S. retired its last SR-71 spy plane. Officially the retirement of the SR-71is was said to be due to intelligence from satellites making it redundant, however most defence analysts suggest Aurora replaced the SR-71. Aerospace analyst Wolfgang Demisch has put the number of aircraft at between 24 and 30 but given that Aurora is a so-called 'black budget' project that officially doesn't exist, it is impossible to say with any certainty.