
Microsoft [MSFT] co-founder Paul G. Allen’s Stratolaunch Systems brought out its massive low Earth orbit (LEO) air-launch platform from its hangar for the first time on Wednesday and announced it is ready for ground and flightline testing.Stratolaunch, founded in 2011, rolled out the aircraft, with its 385-foot wingspan and six Boeing [BA] 747 engines, and which aims to provide convenient, reliable access to LEO flights. Wednesday’s showcase marked the completion of the initial aircraft construction phase.The rocket-launching aircraft is the…