DECIPHERING this memo captured in an alleged image of the remains of whatever crashed in Roswell, New Mexico, nearly 70 years ago, could solve the world's biggest ever UFO mystery, it has been claimed. Roswell has been at the heart of the alien hunter scene since the military sensationally announced in a press release in July 1947 it had found a crashed flying saucer in the desert nearby. But the following day the statement was retracted and officials said the debris was in fact a damaged US Air Force air balloon. Witnesses later came forward to say there had been a cover up and alien bodies were found within the "crashed craft", which along with the wreckage were then taken to the mysterious top-secret Area 51 military base in Nevada. The alleged cover up has become the world's biggest UFO conspiracy theory. The photograph in question shows General Roger Ramey in his office at Fort Worth Army Air Field, later known as Carswell Air Force Base. He is holding a memo and crouching over