] Dozens of residents in Waterford and Niantic reported ] seeing a large aircraft flying unusually low and close to ] the Millstone nuclear power plants early Thursday night. ] ] The sighting generated numerous calls to local police ] departments and to The Day, with many of the callers ] expressing alarm at what they had seen. ] ] Officer Stephen Dubin of the airport police at Groton-New ] London Airport identified the aircraft as a C5A military ] cargo plane, which he said was flying at 3,500 feet, ] possibly headed for Westover Air Force Base in ] Massachusetts. Suspicious' Aircraft Seen In Area Was Military Plane |