Dee ihe na-aga n'ihu maka paragraf a - Na-edebanye aha maka ọrụ agha nke Civil War n'oge ọkọchị nke 1862, Buck debanyere aha na August 17 na Windsor, Connecticut, ma debanye aha ya n'ihu ọha dị ka onye nkịtị na Company A nke 21st Connecticut Volunteer Infantry. E kenyere ya na mbụ na ndị agha nke Union nke Potomac, ya na ndị ibe ya 21st Connecticut Volunteers lụrụ ọgụ na Agha nke Fredericksburg site na Disemba 12 ruo 15 nke afọ ahụ. Mgbe ọ na-arụ ọrụ na "Mud March" nke Burnside, a kwalitere Buck n'ọkwa nke onye isi na Jenụwarị 20, 1863. Ya na ndị agha ya sonyere na Siege nke Suffolk n'oge opupu ihe ubi ahụ, na-elekọta ma na-eche nche n'akụkụ Portsmouth na Newport News n'oge ọkọchị, ọdịda na oyi. Akụkụ nke njem ndị Union n'akụkụ Osimiri James nke Virginia, nke bidoro na ngwụcha Jenụwarị 1864, ndị ọrụ afọ ofufo 21st Connecticut gafere Fort Powhatan na Smithfield tupu ha agaa North Carolina, ebe ha na-arụ ọrụ na New Bern (February 12), Plymouth, Washington na Blount's Creek tupu ha alọghachi na Portsmouth, Virginia na ngwụcha Eprel. E jikọtara ha na ndị agha nke Union na-esonye na arụmọrụ megide Petersburg na Richmond maka oge opupu ihe ubi na oge ọkọchị, ha tinyere aka na Swift Creek, Fort Darling, Agha nke Drewry's Bluff
, Bermuda Hundred, na White House tupu ịlụ ọgụ na agha dị nso na Cold Harbor maka ọtụtụ ọnwa nke June na agha trench na Bermuda Hundred site na ngwụsị August ruo ngwụsị Septemba 1864.