The widely used M109 carries a 155-mm howitzer and is the principal self-propelled artillery support for U.S. Army divisions. It is a large tracked vehicle with a fully traversable turret and ...

The M109 howitzers were introduced into service ... The dissolution of the USSR led to the abandonment of these plans, but the awareness that American artillery was beginning to age meant that ...

Plans to replace the older machines are primarily due to the fact that the M109A5 lags behind modern competitors in capabilities. The self-propelled M109 howitzer was introduced in the 1960s as a ...