A virus.

That’s right…previously a virus had infected the operating system on the U.S. Air Force’s drone control system.

A virus…on the system controlling drones. Think about it. Imagine the consequences of a drone or fighter plane suffering from a computer virus — while armed! That was a significant enough “oops” to lead the U.S. Navy to migrate their drone systems from Windows to Linux.

Please read more here: http://www.techrepublic.com/blog/opensource/linux-grabs-its-single-biggest-win/3690?tag=nl.e011