Some of the comments on this article are interesting, in that they note that the respective launch dates of the two missions would have to mean that USA-226 eit

Some of the comments on this article are interesting, in that they note that the respective launch dates of the two missions would have to mean that USA-226 either anticipated Tiangong-1's orbit, or manoeuvred to track it. http://en.wikipedia.org/wiki/USA-226 http://en.wikipedia.org/wiki/USA-226 http://en.wikipedia.org/wiki/Tiangong-1 http://en.wikipedia.org/wiki/Tiangong-1