Cape Fly Hi at Galaxy Park

Mark McCoy shows David Strop, 9, the precision aerobatic trainer Saturday, June 23, 2018 before Strop made his first radio-controlled flight with it at Galaxy Park. (Fred Lynch)

David Strop, 9, makes his first flight of a radio-controlled aircraft with a trainer piloted by Mark McCoy Saturday, June 23, 2018 during Cape Fly Hi at Galaxy Park. (Fred Lynch)

A radio-controlled aircraft flies Saturday, June 23, 2018 during Cape Fly Hi at Galaxy Park. (Fred Lynch)

Mark McCoy lands his radio-controlled aircraft Saturday, June 23, 2018 during Cape Fly Hi at Galaxy Park. (Fred Lynch)

Mark Robert check his Yak-55 aerobatic aircraft before flight Saturday, June 23, 2018 during Cape Fly Hi at Galaxy Park. (Fred Lynch)

John Coffman, left, guides Paul Liebenow in flying a radio-controlled aircraft trainer Saturday, June 23, 2018 during Cape Fly Hi at Galaxy Park. (Fred Lynch)

Mark McCoy retrieves a trainer from the edge of the runway Saturday, June 23, 2018 during Cape Fly Hi at Galaxy Park. (Fred Lynch)

Pilots fly radio-controlled aircraft in this drone view Saturday, June 23, 2018 during the Southeast Missouri Modelers Association's Cape Fly Hi event at Galaxy Park. (Fred Lynch)