US Airborne units in the early late 60's, early 70's had these mounted on M151 jeeps, as part of each companies weapons platoon, and were air droppable and used in both Mechanized and non-mechanized rifle companies as their main anti-Tank defenses. Unfortunately, they were very top heavy, and many, including one in my own unit, were easily tipped over or rolled rounding turns, so were rapidly replaced by the then new TOW missile launchers.
Pat