Delta shaped craft seen going from south to north in a straight line. White light in front, white light on both left and right side steady, no blinking. Red center blinking light. Deep roaring sound made. Did not sound like jet noise.
Clear skies, 2045 hours. Estimated altitude 2000 feet, moving at steady speed. Craft appeared to be very large.
Lights illuminated craft so that the triangle shape of craft could be seen.