But with no functioning long-term storage site, it's a Train To Nowhere. Or Train Without a Mission. Or other clever phrases describing a political boondoggle

But with no functioning long-term storage site, it's a Train To Nowhere. Or Train Without a Mission. Or other clever phrases describing a political boondoggle. Idea: Fabricate a bunch of semi-hollow (50% by volume), telephone-pole-sized iron arrows (pointy noses, feathered tails), fill them with radwaste, and dump them in some segment of the Aleutian Trench ( https://en.wikipedia.org/wiki/Aleutian_Trench https://en.wikipedia.org/wiki/Aleutian_Trench ) where the ocean floor sediments are deep & soft - to maximize penetration when the arrows hit bottom. With some attention to corrosion & leakage issues, the stuff will be down the for lot o' millennia. And whether or not civilization collapses, nobody's going to be accessing it without a deliberate, massive, and difficult-to-conceal effort.