Sy Keenan - Under The Radar (Original Mix) SONAR BY NIGHT & DAY 2017 Und...

well peep's, time for me to make like, project wave-rider, and fly that fast i'm , "under the radar",  like the x-39, x-41, x-42, x-52, and the x-54 and the tr-37b, but The US Air Force Research Laboratory (AFRL) launched the endothermic-ally fuelled scram-jet engine, flight demonstrator, (EFSEFD), programme in December 2003. The programme envisages the development, of demonstrator aircraft series X-43 and X-51. It was later renamed scram-jet engine demonstrator – Wave-rider (SED-WR) and the vehicle was officially named X-51 in September 2005. Four scram-jet-powered X-51s were manufactured for the USAF. cost around $7.7m (piss take), they have already gone mach 10+ in this, and they have, far better things, with zero inertia as, standardz, hahahahahaha, :) #edio