On the flightline of Edwards Air Force Base, Calif., Staff Sgt. Jonathan Young prepares to upload the X-51A WaveRider hypersonic flight test vehicle to a B-52 Stratofortress July 17 for fit testing. Two B-52 test flights are planned this fall prior to the X-51's first hypersonic scramjet flight over the Pacific Ocean scheduled in December. Representatives from the Air Force Research Laboratory, DARPA, Pratt & Whitney, Rocketdyne and Boeing are partnering on the X-51A technology demonstrator program. Sergeant Young is with the 412th Maintenance Group. ( Air Force photo/Chad Bellay)

---

Size: 1870px × 1336px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, military, states, united, usa