SD:M2A1 How 105mm

 is a United States Artillery unit.

Overview
M2A1 Howitzer now designated M101A1 howitzer was the standard howitzer of the American Infantry Division. Each Infantry Division's Artillery Regiment would have three battalions of 12 105 mm Howitzer  and another artillery Battalion equipped with 12 155 mm Howitzer.

In 1st Infantry 7th, 32nd and 33rd Field Artillery Battalion were equipped with M2A1 Howitzers.

2nd Infantry had 15th, 37th and 38th Field Artillery Battalion providing artillery support to the infantry regiments.