Mystery Plane returning to earth

Space.com is reporting that after more than a year orbiting the earth during a secret mission, the U.S. Air Force's X-37B space plane is due to return...soon. The Air Force won't say when the unmanned vehicle will land. It was expected to land on May 30th, But the time frame has been changed to mid-June. The space plane is about 29 feet long by 15 feet wide with a payload bay the size of a pickup truck bed.