
Secretive U.S. Air Force space plane ready to return to Earth – an annotated infographic
The U.S. Air Force’s robotic X-37B space plane is set to return to Earth after almost two years in orbit. The secret mission is believed to have been a test of new sensors and other next-generation satellite technologies. Click on the graphic for an expanded view. Continue reading Secretive U.S. Air Force space plane ready to return to Earth – an annotated infographic