Despite the fact JAXA has delivered grains for scientific study all over the world, this particular permutation had not been attempted before. These Ryugu grains were for outreach, not science, so they could pass through the x-ray scanner without issue.
As you can imagine, this vastly simplifies the paperwork needed to clear airport security but... to what?
The scientific container looked very official, potentially resembling soil (bad), cultural heritage (bad), horrifyingly expensive (bad)...
After several calls to the airport, I was carrying a couple of worryingly brief customs papers that basically said:
NOT SOIL.
NO COMMERCIAL VALUE.
DO NOT EAT.
I cautiously joined the line for the customs desk at the airport, and tried to distract myself with the "customs quiz" that was playing inside a cute little display shaped like a dog.
It informed me that customs officers were allowed to carry weapons ๐
After several calls to the airport, I was carrying a couple of worryingly brief customs papers that basically said:
NOT SOIL.
NO COMMERCIAL VALUE.
DO NOT EAT.
I cautiously joined the line for the customs desk at the airport, and tried to distract myself with the "customs quiz" that was playing inside a cute little display shaped like a dog.