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Japan Launches Two New Spy Satellites
According to the Daily Yomiuri, "Japan launched two satellites on Jan. 27 to strengthen its surveillance capabilities, including keeping a closer eye on North Korea which has vowed to stage another nuclear test. One of them was a radar-equipped unit to complete a system of surveillance satellites that will allow Tokyo to monitor any place in the world at least once a day. The other was a demonstration satellite to collect data for research and development." The Defense News version of the story says "Japan developed a plan to use several satellites as one group to gather intelligence in the late 1990s as a response to a long-range missile launch by Pyongyang in 1998. The space agency has said the radar satellite would be used for information-gathering, including data following Japan’s 2011 quake and tsunami, but did not mention North Korea by name."
Check this video of new spy technology for drones and presumably spy satellites: http://www.liveleak.com/view?i=e95_1359267780
A single drone can cover a 25 sq mi area with 6" resolution. This video is incredible in that it gives you a detailed peek at what is possible from a single aircraft and the amount of data-processing that can be done in real time.
That's one way to look at it. Another way to look at it is to think of China as a country run by engineers. The current president Hu Jintao is a hydraulic engineer and the next guy in line Xi Jinping is a chemical engineer and Jiang Zemin who was president before Hu Jintao was an electrical engineer. The next couple of guys in line in the politburo are economists and engineers.
Once you realize that China is run by engineers a lot of what China is doing begins to make sense in a sort of intuitive way if you're a tech person yourself.