[onewhippedpuppy]

Originally Posted by svandamme

I find it weird that they did not connect the rear horizontal stabilizers, as that would introduce more strength to the plane, making sure the 2 "booms' do not twist the main center section as much.

Like a P38

Considering they are going to hang and launch a space ship from the center wing, I would think there's probably all sorts of aerodynamic effects that could impact a central horizontal tail. Keeping them outboard is out of the wake of their payload.