By modifying a V2 (A4) with wing stumps to increase the range and a cockpit for guidance, the Germans created the A9.
It will be used as second stage to a massive rocket, the A10.
They thus hope to be able to cross the Atlantic and bomb New York.
However, the project was not a priority, as Hitler preferred a larger production of V2s, and it was never carried out.
Fiddlersgreen model for the A9 and recolored Nighthawkstudios for the A10.
With these models, we can find 2 ways to couple the rockets.