A secret military space plane and a tiny satellite with a special form of propulsion launched into space Wednesday.
The U.S. Air Force’s uncrewed X-37B space plane and the Planetary Society’s LightSail flew to orbit atop a United Launch Alliance Atlas V rocket at 11:05 a.m. ET from Cape Canaveral Air Force Station in Florida
This marks the X-37B’s fourth mission to orbit, and no one is quite sure what the mysterious space plane is going to do above Earth or when it might come down.
The X-37B program includes two reusable space planes built by Boeing, but the Air Force has not said which of the two planes was launched on this mission. An X-37B landed back on Earth in 2014 after spending 674 days in space. The X-37B, which looks like a miniature version of NASA’s retired space shuttles, is about 29 feet long. Read more…