The colossal Stratolaunch carrier plane rolled out of its hangar at the Mojave Air and Space Port in Mojave, California, today (May 31) to undergo fueling tests. It's the first public look at the full craft —which is designed to launch rockets into orbit from the sky — since construction began. "We're excited to announce that Stratolaunch aircraft has reached a major milestone in its journey toward providing convenient, reliable, and routine access to low-Earth orbit," Stratolaunch Systems Corp. CEO Jean Floyd said in a statement. "This marks the completion of the initial aircraft-construction phase and the beginning of the...