EXETER - There was something odd in the sky last week, something that caused a Navy veteran with 10,000 hours of flight experience to have his own close encounter. The former flight engineer, who wished to be identified only as "David," said of the experience, "this was like nothing I’ve ever seen before." What the retired Navy chief petty officer said he saw last Wednesday could only be classified as a UFO, an unidentified flying object. It was a bright and sunny afternoon, about 3:15 p.m., and David was outside preparing his lawnmower. He had filled the mower with gas,...