Daimler Benz Project B

https://www.cgtrader.com/3d-models/aircraft/military-aircraft/daimler-benz-project-b

The German automaker Daimler Benz's proposal was to build a giant prop-powered bomber carrier that could carry a parasite bomber halfway or more to its target, then release the jet-powered aircraft to complete the remainder of its mission.The Project B design was the second of what would be three carrier proposals Daimler Benz developed. The design, while decidedly exotic, never got off the drawing board.

https://www.youtube.com/watch?v=FQK7YfpOPuo&ab_channel=FoundAndExplained