A test flight in Alaska of a small launch vehicle by a stealthy startup company ended in failure in late November, the Federal Aviation Administration has revealed. In a speech Dec. 6 at a U.S. Chamber of Commerce space conference here discussing the agency's approach to commercial spaceflight safety, FAA Acting Administrator Dan Elwell mentioned a recent, but previously unreported, accident involving a launch taking place from Alaska one week ago. A launch license the FAA issued to Astra Space Inc. on Oct. 15, also available on the FAA website, authorized the company to perform a suborbital flight of its...