The widely used M109 carries ... 4x and 10-deg field of view; panoramic telescope M117 for indirect fire and gunner's quadrant M1A1 . The M109 Paladin self-propelled Howitzer, first produced ...

Among the latest additions are U.S.-made M109 self-propelled howitzers ... First introduced in 1963, it became the most widely used howitzer in NATO forces during the Cold War.