Deprecated: Function create_function() is deprecated in /var/www/clients/client0/web4/web/wp-content/plugins/LayerSlider/wp/widgets.php on line 4 The U.S. Air Force’s secretive space plane ends record-breaking mission – Browsify Corporation
The U.S. Air Force’s secretive X-37B space plane retuned to Earth on Sunday after a mission lasting a record 780 days. The experimental vehicle tests reusable spacecraft technologies and conducts a range of experiments.