Stratolaunch buys Boeing 777 to expand hypersonic flight testing
Third carrier aircraft will join the giant Roc and a converted 747 as the company prepares to conduct more Talon-A missions from different locations
Airbus
Stratolaunch uses former Virgin Orbit 747 in hypersonic flight test
Boeing 747-400 carried the Talon-A3 vehicle during a US Missile Defense Agency mission in March