Secret But Not So Quiet: X-37B Military Space Shuttle Wakes Up Florida With A Sonic Boom The U.S. Air Force secretive military plane X-37B landed with a big boom in Florida last weekend. The unmanned mini space shuttle returned to Cape Canaveral after completing its fourth mission, OTV-4, in the Earth’s lower orbit. by Alexandra Lozovschi
Science X-37B Orbital Test Vehicle finally returns to Earth: Mystery shrouds its unearthly mission by Rhodi Lee
Science US military space drone X-37B set for Earth return after 22-month secret orbital mission by Rhodi Lee