When I saw your thread title and read your first phrase, I had a pretty good idea of who the operator would have to be.
Nice to see these rugged old workhorses still in service.
It also looks like Fed Ex keeps its aircraft cleaner than do certain passenger airlines.
I'm curious how many hours and cycles these old girls have flown, if you're allowed to say.
Certainly the current operator isn't piling on either at the rate these things saw in their first life when they were carrying passengers rather than boxes.