Originally Posted by Peregrine415

Biz. I've seen them on PEK-ICN and ICN-PEK shuttle on OZ with a big sack strapped to a seat that says something like US State Department. If I'm not mistaken, the couriers are based in Seoul since I've seen them in the gate area waiting to board their flights but stay airside in PEK. I didn't realize these are full-time jobs. I thought embassy clerks or drivers volunteer to do these quick turn-around trips. But they do our country (USA) a service since I wouldn't entrust inter-office mail to China Post.

BTW, the sack/pouch flies biz too.