The 1–120th FA, as part of the 57th Field Artillery Brigade continued its training with the 32d Infantry Division at Camp Mac Arthur until February 1918.

The 120th Field Artillery Landed at Liverpool, England and then traveled by rail to South Hampton and across the English Channel to Le Havre, France.

The balance of the battalion arrived in Belfort with the 57th Brigade on 8 June and marched to the front as a part of the 32nd Division, for the first time since leaving Camp MacArthur.

Battery A became the first United States Army artillery to be flown into combat in the Pacific during World War II.

[1] Exactly twenty one years to the day after the World War II activation, the 120th was again called to federal service and was sent to Fort Lewis, WA, for training.

While stationed at Fort Lewis the units were assigned along with the 32nd Division to the Strategic Army Command (STRAC).

On 13 August the 1–120th departed Volk Field, WI for Camp Shelby, MS for approximately three months of pre-deployment training and mobilization processing.

At 1030 hours on August 29 soldiers were restricted to their barracks, to reduce the chance of injury from flying debris, falling trees and downed power lines.

The battalion endured the storm without injury however; the base was shut down for several days due to the damage caused.

HHS was stationed at Camp Patriot located inside of the Kuwaiti Navy Base (KNB) their mission was to provide an area reaction force(ARF) and operate the battalion headquarters.

Brovo Battery was stationed with HHS at Camp Patriot and provided the base's security force.

Charlie Battery was first stationed at Camp Virginia and the Ali Al Salem Air Base their mission was to provide armed escorts for buses to and from the airbase and the Kuwait airport.

During the mobilization the 1–120th did not suffer any combat casualties; however one soldier, SPC Jason Greeno, was killed in a traffic accident during his mid-tour leave.

The 1–120th returned to Fort McCoy, WI on 4–5 November 2006 to a welcome home ceremony and the unit was released from active duty.

The units left Wisconsin as staggered intervals throughout February for pre-deployment training at Fort Bliss, TX.

The units left Texas at staggered intervals from late April through May for deployment overseas to Iraq.