Hesham you found incredible stuff ;D
Alan Griffith look too much Gerry Anderson Shows...
(Thunderbirds, Captain Scarlett, UFO, Space1999, Joe90)
The Idea is not bad
the heavy Lift-engine are now out side the Main Plane, save weight.
launch is easy. but the Rendezvous and Landing logistic Nightmare
Hell No, i never take a seat in that Prototype !!!