Art Eatman wrote:
I was told that the deal was to back up to a firing point and then after ten or fifteen seconds of fire, move out before mortar shells came in.
I was told the same thing by my grandfather.
In fact, it was during one of these "shoot and scoot" maneuvers (after Chosin) that he and his aides failed to follow the Quad-50s out of the area fast enough and he was injured by a mortar fragment.