Because 3D printing allows one-off items to be created quickly and cheaply, it should come as no surprise that the technology has already been used to produce unmanned aerial vehicles, or UAVs.

Observers track an unknown airframe during Air Force trials at Area 51 ...

Few scenarios hold more abject terror for pilots than an in-flight break-up. Leaving midair collisions for discussion another day, most in-flight breakups follow ...