[lyle_nel]

What sort of supporting infrastructure is required to reliably store it for a long time? Infrastructure such as cooling, dessication and warehousing.

[jergosh]

You don't actually need to that much, as long as you can keep it dry and reasonably cool -- one idea we had kicking around was to use a cave of the sort that's used for long term seed storage (https://en.wikipedia.org/wiki/Svalbard_Global_Seed_Vault)