China is launching mysterious trios of spy satellites. What are they doing once in orbit?
In the article on Persistent Surveillance, I described the options for keeping a constant, 24/7 watch on a location though the use of high-altitude satellites. Those options are all expensive and technically risky. However, as hinted at in the article, there is a more straightforward way to achieve same goal, or at least to come… Continue reading Smallsat constellations
German media recently reported the country will procure a new high-resolution optical satellite. According to the press, this satellite will be operated by the BND, Germany's foreign intelligence service. Such a purchase breaks from the German tradition of operating only radar satellites, under the control of the military, and thus marks an unexpected shift in… Continue reading A new German space policy?
France currently has a vigorous earth observation industry, which captures a large part of the export market for reconnaissance satellites. It has not always been this way: contrary to the USA or the USSR, France has never had film-return optical satellites, and orbited its own space reconnaissance systems roughly 30 years later than them. In… Continue reading History of the French reconnaissance system
The future of Earth observation, Part III This post is a part of a series on the future of earth observation, and is a follow up to The Future of Optical Earth Observation I: The road so far and The Future of Earth Observation II: What do users really want, anyway? Originally, satellite imagery consisted of… Continue reading Persistent Surveillance