It's hard to imagine something so small being so loud. No, not toddlers. Or Chihuahuas. But the sound is the first thing you notice as the 1/5-scale replica, radio-controlled A-10 Warthog jet fires up ...

Putting those cheap RC toys you can find at a department store—and even the model kits from a hobby shop—to shame, these incredibly detailed scale model fighter jets look almost as intense to fly as ...