Here's the America's Newest Artillery to Faced Russia

In recent years countries like China and Russia developed indigenous long-range howitzers that out-range and outperform the current US M109A6 and M109A7 systems. To address this development a new long-range self-propelled howitzer was launched in the United States under the Extended Range Cannon Artillery ( ERCA ) program, which called for the development of a new howitzer alongside new extended-range ammunition.