Duluth Air Show 2016 John Heino - Photographer Thursday Jul. 14th, 2016 Awesome Bird. Photo credit: John Heino Guardian - Bulldog. Photo credit: John Heino Four as one. Photo credit: John Heino Precision. Photo credit: John Heino Original Ace. Photo credit: John Heino Hovering Harrier. Photo credit: John Heino Sentimental Journey. Photo credit: John Heino Upward Spiral. Photo credit: John Heino Sky Doodle. Photo credit: John Heino The Up and Up. Photo credit: John Heino