Gules, on a saltire Azure fimbriated Or between a castle, a rattlesnake coiled to strike, and a fleur-de-lis of the third and in base a battle-axe Argent, eight mullets of the last.
That for regiments and separate battalions of the Pennsylvania Army National Guard: On a wreath of the colors Or and Gules a lion rampant guardant Proper holding in dexter paw a naked scimitar Argent hilted Or and in sinister an escutcheon Argent on a fess Sable three plates.
GETTYSBURG TO THE MARNE.
The shield is red for Artillery. The blue saltire represents Civil War service with the Federal forces and the white stars, the engagements during that war. The castle, taken from the Puerto Rican Occupation Medal, denotes service in the Spanish American War, the coiled rattlesnake, Mexican border duty, the fleur-de-lis, overseas service during World War I, and the battle-axe, a medieval weapon in common use in the European area (added to the coat of arms), symbolizes combat service in Europe during World War II.
The crest is that of the Pennsylvania Army National Guard.
The coat of arms was originally approved for the 107th Field Artillery Regiment, Pennsylvania National Guard on 17 June 1929. It was amended to correct the wording in the description on 13 June 1930. It was redesignated for the 107th Field Artillery Battalion, Pennsylvania National Guard on 3 December 1942. The insignia was amended by addition of a charge (battle-axe) to represent World War II service on 20 May 1953. It was redesignated for the 107th Artillery, Pennsylvania National Guard on 14 September 1961. The insignia was redesignated for the 107th Field Artillery Regiment, Pennsylvania Army National Guard on 11 July 1972.