The M109 self-propelled 155mm howitzer was first introduced in the early 1960s. The latest upgrade is the M109A6.
There is 1 known M109 on display in Wisconsin. It is at the following location:
|City Located||Photo(s)||Model Number||Hull Number /
|Fort McCoy, WI||M109A2||?
|Fort McCoy Equipment Park||N 44° 01.130'
W 90° 39.813'
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