Mezue ahịrịokwu na-esonụ: Independent Battery D, Pennsylvania Light Artillery, bụ batrị egbe ndị agha nke jere ozi na Union Army n'oge Agha Obodo America. A haziri ngalaba ahụ na 21 Septemba 1861 wee jee ozi ruo 13 June 1865. Batrị ahụ so lụọ agha nke abụọ na Bull Run,
Chantilly, Ugwu Ndịda, Antietam, na Fredericksburg na 1862. N'afọ sochirinụ, a kpọfere Batrị D na mpaghara Western ebe ọ sonyere na Siege nke Vicksburg na ọrụ ndị ọzọ. Afọ 1864 <unk> 65 hụrụ ọgụ ndị otu ahụ na mwakpo mbụ nke Petersburg, Crater, Ream's Station, Agha nke Peebles's Farm, Fort Stedman, na mwakpo ikpeazụ nke Petersburg. Batrị D sonyere na Nnukwu Nyocha nke Ndị Agha tupu ewepụta ya.