We also have sights, like this one:
I took this on the night of 04 DEC 05, just after twilight. When the sun goes down here, there's a VERY short twilight.
Thank you Old Sarge. I'm trying to locate an article in Sky and Telescope magazine from about 2 years ago that shows a group of Army astronomers in Iraq with a 127mm Orion Mak-Cass. I'll post it if I find it.