Wing Walking
The spectacular aerial acrobatics of America's second-most popular spectator sport
From stomach-lurching swoops to venturing onto the wings themselves, the air shows of the USA are now the country's second-most popular spectator sport.
The American military are behind these shows - it's both a public display and a recruitment exercise. But regardless of the motives behind the shows, the stunts remain staggering.
Produced by ABC Australia
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