The tracks are of a single-pin, center-guide type with replaceable ... fire and gunner's quadrant M1A1 . The M109 Paladin self-propelled Howitzer, first produced in 1963 and improved upon numerous ...

Due to its effectiveness and reliability, the M109 is in service in more than 40 countries around the world. Despite the many years since its development, not even the US Army has plans to ...