Yes. Look at stuxnet 0.5 (year: 2005-07) http://www.theguardian.com/technology/2013/feb/26/symantec-us-computer-virus-iran-nuclear http://www.theguardian.com/t

Yes. Look at stuxnet 0.5 (year: 2005-07) http://www.theguardian.com/technology/2013/feb/26/symantec-us-computer-virus-iran-nuclear http://www.theguardian.com/technology/2013/feb/26/symantec-u... And stuxnet 1.0 (2009-2010) https://en.wikipedia.org/wiki/Stuxnet https://en.wikipedia.org/wiki/Stuxnet http://spectrum.ieee.org/telecom/security/the-real-story-of-stuxnet http://spectrum.ieee.org/telecom/security/the-real-story-of-... This kind of stuff takes years and has a life of its own. Crossing administrations, party lines, and cabinet members. The nexus of the Pentagon, CIA, and State departments...has a lot of moving parts...and they can't fire all the career professionals after every election.