The 107th Field Artillery Regiment Distinctive Unit Insignia, also known as a unit crest or a DUI, was originally approved on 14 June 1929 and was amended to add the motto on 8 November 1929. It has been redesignated several times since then to reflect the unit’s changing designations, including in December 1942 (107th Field Artillery Battalion, Pennsylvania National Guard), September 1961 (107th Artillery, PA National Guard), and most recent on 11 July 1972 (107th Field Artillery Regiment, PA Army National Guard). Additionally, it was amended on 20 May 1953 through the addition of the battle-axe on the insignia to stand for World War II service.
Full guidance on wear of the DUI is found in DA Pamphlet 670-1, Section 21-22, "Distinctive unit insignia" and 21–3(d) and (e), "Beret" and "Garrison Cap," respectively.
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“Gettysburg to the Marne,” the unit motto of the Pennsylvania Army National Guard’s 107th Field Artillery Regiment, reflects the history of one of the oldest units that were used to organize it on 3 January 1871 in the Pennsylvania National Guard as the 14th Infantry Regiment. It was mustered into Federal service for the War with Spain on 12 May 1898 as the 14th Pennsylvania Volunteer Infantry, with Battery B, 1st Battalion (Hampton Battery – Pittsburgh) earning a campaign credit for service in Puerto Rico to go along with eight Civil War campaign streamers, all from the Eastern theater of the war.
Like many Field Artillery units, the 107th has undergone a great many redesignations. When it was called into Federal service for World War I, it was redesignated as the 107th Field Artillery and reassigned to the 28th Division, earning credit for taking part in five World War I campaigns with the “Keystone Division” (the nickname is because the 28th was also part of the Pennysylvania National Guard and is also an allusion to the keystone serving as its Shoulder Sleeve Insignia). During World War II, the Regiment was broken up and its HQ and HQ Battery disbanded and its 2nd Battalion redesignated the 229th Field Artillery Battalion and relieved from assignment to the 28th division; the 1st Battalion became the 107th Field Artillery Battalion and with a separate lineage from this point forward. The 229th fought in the European Theater and was awarded a Presidential Unit Citation, a Luxembourg Croix de Guerre, and a citation in the Order of the Day of the Belgian Army.
The two battalions were consolidated in 1946 as the 107th Field Artillery Battalion; in 1959 it became the 107th Artillery, a parent regiment in the Combat Arms Regimental System CARS, undergoing organizational changes over the next three decades including redesignation as the 107th Field Artillery in 1972. It was withdrawn from CARS in 1988 and reorganized under the U.S. Army Regimental System. The 1st Battalion, 107th Field Artillery was deployed as an MP unit in support of Operation Iraqi Freedom from 2003 to 2005, and an element of the HQ Battery was provisionally named an MP unit (107th Military Police) for service in Mosul from 2004 to 2005.
As Summer 2023, the 1st Battalion, 107th Field Artillery Regiment is assigned to the 28th Infantry Brigade Combat Team, 28th Division, Pennsylvania Army National Guard.