The Indiana Field Artillery was at service on the Mexican border when the United States declared war on Germany in 1917.

Major Robert Tyndall was promoted to Colonel in command of the entire regiment, which was issued French 155 millimeter cannons.

During World War II, the 150th Field Artillery served with the 38th Infantry Division.

[4] During the Iraq War, the 150th Field Artillery sent teams to train Iraqi police.

[5] In 2006 HHB 2-150 FA sent 152 Artillerymen to Mosul, Iraq to train Iraqi Policemen.

In 2009–10 officers and Soldiers of 2-150 formed the 2-150 Fires Team, serving on the staffs of 34th Infantry Division (MNARNG) and 17th Fires Brigade (AD), Ft. Lewis, WA in Multi-National Division – South and Basra Province respectively.

During Operation Enduring Freedom Soldiers of 2-150 served on Embedded Training Teams with the Afghan National Army for the 76IBCT (INARNG) throughout Afghanistan.

In 2012–13, E TAB "Watchdogs," 139 Field Artillery, assigned to 2-150 FA conducted counter-fire and force protection missions throughout Regional Command Assistant Group – South in support of various Active Duty, Guard, Reserve and State Department missions.

The 18th Indiana Battery, Light Artillery participated in the following Civil War Campaigns: The company initially served at various posts at Cincinnati and throughout Kentucky.

The effective aim and deadly fire of the 18th Battery was also experienced by the charging rebel columns of General Longstreet's Corps during the battle of Chickamauga, on 19 September 1863.

Beginning in May 1864, Lilly's Battery marched with General Sherman's army on the campaign against Atlanta, during which it participated in numerous engagements, including Resaca, Cassville, Stilesboro, and Lost Mountain.

Later, it was among the Union forces that pursued General Hood's troops after the Confederate defeat at Chattanooga.

During the Mexican Border Campaign, the First Artillery Battalion of the Indiana National Guard served under Maj. Robert H. Tyndall's command.

In 1942, redesignated as the 150th Field Artillery Battalion, it served through the war with the 38th Infantry Division.

Reorganized as the 150th Field Artillery Battalion, medium, with 155 mm Howitzers, towed, headquarters at Kokomo.

Current Battery Locations: HHB- Bloomington A- Greencastle B- Rockville C- Lebanon Two Units under Command and Control of 2-150 FA E (TA) 139th FA- Indianapolis 139th FSC- Crawfordsville Lineage: 1882: 110 years ago, on 22 Nov. 1882, the First Regiment Indiana Light Artillery was organized from the original Indiana Legion, with Col. Eli Lilly as the Chief of Artillery.

1916: During the Mexican Border Campaign, the First Artillery Battalion of the Indiana National Guard served with Maj. Robert H. Tyndall commanding.

In 1942, redesignated as the 150th Field Artillery Battalion, it served through the war with the 38th Infantry Division.

Reorganized in 1947 as the 150th Field Artillery Battalion, medium, with 155 mm Howitzers, towed, headquarters at Kokomo.

1977: March 1977 brought further realignment which saw the 1st Bn 150th Field Artillery being reassigned into other units.

It has gone from solid wheels to pneumatic tires, from horses to trucks, from chain measure to lasers, from compass and protractor to computerized fire control and new powders, fuzes and even rations.

Let's not forget the various slices: 2004-2005 Operation Enduring Freedom, Afghanistan Various individuals from 2-150 in support of 76th Bde Embedded Training Teams.