We used to have a strategic Helium reserve in the US for zepplins and so forth, then it was just kept for chemistry and other purposes. I think we started selling it down under GW. Helium seems like it's more valuable as a component in chemistry, super cooling, etc, rather than just using it for lift.
Also, we tend to think of Zepplins as rare things, like singular one-off vessels like the Hindenburg. In actuality, the Germans produced 131 of them! Most were used in World War 1 https://en.wikipedia.org/wiki/List_of_Zeppelins
We used to have a strategic Helium reserve in the US for zepplins and so forth, then it was just kept for chemistry and other purposes. I think we started selling it down under GW. Helium seems like it's more valuable as a component in chemistry, super cooling, etc, rather than just using it for lift.
Also, we tend to think of Zepplins as rare things, like singular one-off vessels like the Hindenburg. In actuality, the Germans produced 131 of them! Most were used in World War 1 https://en.wikipedia.org/wiki/List_of_Zeppelins