861st Field Artillery battalion (105mm) – 63rd Infantry Division A Battery 861st Field Artillery battalion (105mm) – 63rd Infantry Division B Battery 861st Field Artillery battalion (105mm) – 63rd Infantry Division C Battery 861st Field Artillery battalion (105mm) – 63rd Infantry Division Headquarters Battery & Medics 861st Field Artillery battalion (105mm) – 63rd Infantry Division Service Battery 861st Field Artillery battalion (105mm) – 63rd Infantry Division Unknown Battery 861st Field Artillery battalion (105mm) – 63rd Infantry Division