The X-37B, which amateur observers had [recently lost track] of, has been spotted again: [SpaceWeather.com] –
> SPACE PLANE FOUND: The US Air Force’s X-37B space plane, which disappeared last week, has been found again. Satellite watcher Greg Roberts sighted the [secret mini-shuttle] flying over Cape Town, South Africa, on Oct 12th. An analysis of the sighting by satellite expert Ted Molczan suggests that the X-37B has maneuvered into an orbit 54 km lower than before.
: http://hobbyspace.com/nucleus/index.php?itemid=24274 : http://spaceweather.com/archive.php?view=1&day=14&month=10&year=2010 : http://www.csmonitor.com/USA/Military/2010/0525/Now-that-the-X-37B-space-plane-is-spotted-what-is-its-mission