Is There Any Other Source for Rare Earth Materials Like That?

If there's no shortage in other countries and trucks exist, would our supply chain problem have caused us not to be able to get it in an emergency situation? Because we would have air lifted it, as we did o no. One source for some of these is greenland, which might suggest why trump wanted to buy greenland. There's something discovered near japans, near japan and the ocean, that looks like its got tons of rare earth, an ar. Does anybody know that? I'm see aot people say no, it wouldn't have made a difference. But just look at my er feed and you can see it just, it's the only time i've