Navy heroes are making another appearance on the silver screen, but unlike the characters portrayed in “Act of Valor” or even “Zero Dark Thirty,” they’re a little less … well … real. Two animated Super Hornets, Bravo and Echo, star in Disney’s “Planes”, a “Cars” spinoff hitting theaters Aug. 9 that tells the story of a single-propeller crop-duster — named, naturally, Dusty. When Dusty enters a flying contest that takes him around the world, he gets into some trouble over the Pacific and the two Navy jets come to his rescue, USA Today reported. The jets are voiced by “Top…