BAE Systems has announced the launch of 155-millimeter projectiles using an M109 Self-Propelled Howitzer that has been modified with the Rheinmetall L52 155mm, 52-caliber cannon.
This upgrade to the M109, known as the M109-52, represents a substantial improvement with minimal risk, offering high performance compared to the existing 39-caliber cannon. It fulfills the increased range requirements crucial for extensive combat operations, BAE Systems said in a statement.