There is no good in fear. It's better to do the best you can and come to terms with the fact you can be killed at any time, without letting fear possess you.
Iraq is quite safe. I'm in Baghdad right now. So really he has little to worry about if he's headed here. There are rounds that will defeat armor, but they are rarely encountered to the extent that it is not worth concerning yourself with them. The people shooting are poorly equipped and logistically under matched.
Iraq is safe compared to 2005 or 2007, but it isn't your hometown- there are still risks that require intelligent planning to mitigate.
Staying in an armored vehicle whenever possible is the best course of action in high threat areas.
If turret gunning, don't stand up proud like a Roman centurion on a chariot- adjust the seat to keep you low, look through the keyhole in the turret brace, spin the turret as necessary to maintain security, make adjustments to maximize your security, especially if you are static in urban areas.
If you are walking out in town and there is a sniper threat, walking in a zig zag pattern is recommended and is a British technique from Northern Ireland experience called "ballooning".
If he finds himself out in town securing something for more than 10 minutes I would recommend he make himself the hard target by moving randomly and often. By that I mean, if you are static, change position slightly and often. Also keeping plates on the threat and not exposing soft areas like his side/armpit area to the most likely avenue for the threat. This can be done without looking unprofessional or worried. What will happen is the guy on glass will select someone else who is not moving as much or is exposing more.
It's a rough world. It would be better if no one had to be a target, but it is better that someone else be the target than to be the target yourself.
I am a trained sniper, I also taught sniper awareness / counter sniper in the military I read a 150 page document on it and I've worked in urban environments in Iraq for 3 deployed years. Somewhere or another I've used all these techniques. I've also seen what happens to people who make mistakes. In 2005 for instance we rolled down a street (low in turrets). a minute later and 100M away, Bradleys rolled down the same street with gunners standing tall. One shot- and one dead gunner. A sad effect of bad SOP's.
Don't be an easy target.
