X-37B space plane Articles

X-37B Space Plane To Reach 500-Day Milestone In Space

The US Air Force‚Äôs X-37B, an unmanned space plane, will reach a milestone on April 25 by being in space for 500 days. The X-37B was launched on December 11, 2012. It launched on OTV-3 in Cape Canaveral, Florida, and …