None of this rings true at all.
Even a novice design team would build in at least triple layer watchdog systems.
There is no way a simple loss of GPS would cause all the systems to fail. Furthermore,
corruption of one system by trojan or virus would not take out the other watchdog
systems. These systems are kept isolated from each other by code base and power supply
and in some instances they have different design teams to ensure against sabotage.
Any one of the redundant systems would either result in the drone returning to friendly
airspace or the destruction of the craft.
GPS is not the sole method of determining the crafts location. They can follow terrain
just as a cruise missile can by referencing mapping data. GPS can give a drone pinpoint
navigation but that is overkill, within a few hundred yards is sufficient and even the
old system of inertial guidance can handle that.
The notion that the craft sustained damage because the landing strip is not at the same
altitude as the real one somewhere in Afghanistan is absurd! A sophisticated drone does
not rely on GPS to determine height above a runway, such a task is child’s play for even
a low dollar radar altimeter system. A remote controled plane enthusiast could build such
a system for his toy planes.
You simply cannot jam the communications system of a drone from the ground! They have
a link to low orbit satellites and the antenna for this is atop the craft and shielded from
a signal located on the ground. A break of this link would also result in a countdown to
self destruct that could only be halted by an encrypted code sent back from the drones
control point.
There is much much more I could say, I will say that this whole story strikes me as ridiculous
in the extreme.
thx for the perspective.