It’s actually the reason it can fly: this craft is what is known as a hybrid airship, it’s lifting gas doesn’t quite give it enough lift to fly, unlike a regular airship, and it gets the rest from aerodynamic lift like a plane. This requires it to be vaguely wing-shaped, which is why it has this design like two blimps stuck together.
Have there been advancements in materials or safety procedures since the Hindenburg that would allow us to safely use hydrogen as a lifting gas? It seems a waste to use helium for anything other than cooling big magnets.
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