Stratolaunch firms up its relationship with Orbital for air-launch system

Stratolaunch has solidified its partnership with Orbital Sciences Corp. to develop a new rocket capable of launching into orbit from what will be the world's widest airplane."We've been together now for nine months and working well as a team ... so we're really excited to see Orbital get started," Gary Wentz, Stratolaunch's CEO and president, told NBC News.Founded by software billionaire Paul Alle...