ORIGINAL: Arjuna
It's usually called "running" and believe you me you would be surprised at just how fast you can move with a mortar base plate when under pressure. [:)]
I wonder how long I could do that in the deeply wooded Ardennes of the Bulge?
I'm thinking of the Band of Brothers segment where the paras were shelled by arty in the woods; even prepared positions didn't seem to help them much, but they had to hold the line.