What Is Air Force's Mysterious X-37B Space Drone up To?
The National Interest -

David Axe

Security, Space

A deadly secret?

The Air Force describes the X-37B as an “orbital test vehicle,” or OTV.

A Dutch skywatcher achieved a rare feat in late June and early July 2019. Using a 10-inch-diameter telescope fitted with a camera, Ralf Vandebergh photographed the U.S. Air Force's secretive X-37B space plane in mid-mission 210 miles over Earth’s surface.

"We can recognize a bit of the nose, payload bay and tail of this mini-shuttle, with even a sign of some smaller detail,"...

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