GeoEye-1 Satellite.

Google a Skynet candidate?

http://blogs.zdnet.com/perlow/?p=9248

http://news.yahoo.com/s/nm/20080906/tc_nm/geoeye_dc

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See also IBM Roadrunner:

http://ocxt.blogspot.com/2008/06/ibm-roadrunner-petaflops-supercomputer.html