In <em>Snow Crash</em>, a science fiction novel published in 1992, Neal Stephenson envisioned a future in which people lived in a bleak, grim physical world, but it was possible for them to "jack in" through a computer network to the Metaverse, a virtual cyberworld that was much more dramatic and glamorous than the "real" world.
Once the USAF Cyber Command was effectively put on ice recently, coverage of the US military's approach to network warfare and defence also went away. The existing infrastructure and systems that had been in place prior to the attempted set up of Cyber Command still continue to operate and the head of US Strategic Command, General Kevin Chilton, recently spoke about a range of the issues being faced in operating the US military's lesser-classified networks.