Colonel Turner's revenge
When Colonel Turner was exposed and about to jump from the plane he was still in possession of all the notebooks. Smith asked him to give them over a few seconds before he jumped to his death.
(Can't remember whether or not the plane door was open at this point)
I wonder why Turner didn't jump before Smith or anyone else had a chance to grab them back. Maybe he was had just given up and was past caring but if it had been me, I would have jumped and had the last laugh. The whole mission would have been for nothing.