Air Force Unveils Super Secret Robotic Spacecraft

On Thursday, after a successful morning launch at the Kennedy Space Center in Florida, the X-37B headed yet again to the vital real estate known as low Earth orbit, home to the International Space Station and all sorts of military and commercial satellites. The mission is slated to last 270 days, but the Air Force warned in a statement that “the actual duration depends on test objectives, on-orbit vehicle performance and conditions at the landing facility.”

On the tarmac, the X-37B, as it is called, looks tiny, standing not much taller than a person. Its wingspan measures less than 15 feet, and it weighs in at just 11,000 pounds. But over the course of six flights, it has proved to be a rugged little robotic spacecraft, spending a total of nearly six years probing the hard environment of the high frontier.

In the Pentagon’s vast arsenal there is little quite like it: a super-secret space drone that looks like a miniature version of the space shuttle, but orbits the Earth for months, even years, at a time. Doing what? The Air Force won’t say. In other words, there’s no telling how long the thing will be up there.

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