The United States military has selected London-headquartered aerospace and defense security company BAE Systems ...

The recoil system is hydropneumatic and the breech block ... panoramic telescope M117 for indirect fire and gunner's quadrant M1A1 . The M109 Paladin self-propelled Howitzer, first produced ...

Consequently, the name M109 can refer to an older M109A2 howitzer taken from storage and the modern M109A6 Paladin system, which, along with its evolved version M109A7, forms the backbone of ...