[time-nuts] "The GPS navigation is the weakest point,"

Jim Lux jimlux at earthlink.net
Thu Dec 15 20:11:45 EST 2011

On 12/15/11 2:17 PM, Charles P. Steinmetz wrote:
> John wrote:
>> Iran hijacked US drone, claims Iranian engineer Tells Christian Science
>> Monitor that CIA's spy aircraft was 'spoofed' into landing in enemy
>> territory instead of its home base in Afghanistan
>> Iran guided the CIA's "lost" stealth drone to an intact landing inside
>> hostile territory by exploiting a navigational weakness long-known to the
>> US military, according to an Iranian engineer now working on the captured
>> drone's systems inside Iran.
> -- snip --
> If the report in the article is true, we deserve to lose drones to
> countries like Iran for not having the sense to install an inertial
> guidance system to back up and "reality check" the GPS. (Omitting IGS
> would be such a major gaffe that it calls into question the veracity of
> the Iranian claims. Were we really that stupid, or that cheap?)

Especially since you need the IMU to run the flight controls to keep the 
darn thing upright and flying straight.

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