Boeing faces several technical hurdles in its quest to develop a business-jet-size reusable launch vehicle suitable for daily flights, but it has answered questions about whether the liquid-oxygen-and liquid-hydrogen-fueled AR-22 engine that will power the first stage is up to the task.  On July 6, engine manufacturer Aerojet Rocketdyne completed a 10-day, 10-firing series of tests, clearing the way for construction of a second AR-22 to power Boeing’s Phantom Express on a ...


"DARPA-Backed Phantom Express Scheduled For 2021 Flight Test" is part of Aviation Week & Space Technology’s subscription package. 

Subscribe now to read this full article. And by subscribing, you'll also receive full coverage of what's next in technology from the experts trusted by the global aerospace & defense community. 


Already registered? here.