Residents on the western side of the Des Moines metro may have heard a prolonged and loud noise flying overhead on Tuesday ...

making them especially loud with low cloud cover. This provides additional thrust to allow the aircraft to fly faster than sound, according to NASA. Most military supersonic aircraft are equipped ...

A close call between a Delta Air Lines Airbus A319 taking off from Ronald Reagan Washington National Airport and a US Air Force T-38 jet, often used by the military for training, sounded alarms in ...