<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngo-1863, ibhethri lika-Elder labelwa i-U.S. Horse Artillery Brigade, lapho lasebenza khona isikhathi esiningi sempi. Wathola ukukhushulwa unomphela waba ngukaputeni ngo-August 1, 1863. U-Elder wasuswa okwesikhashana ngoFebhuwari 1864, wahlonishwa ngesibindi eMpini yase-Olustee eFlorida, futhi wanikezwa ukukhushulwa kwe-brevet kuya ku-major. Ebuyela e-Horse Artillery, waphinde wabizwa ngezenzo eDrewrys Bluff  <response>: , ngoMeyi 5, 1864, futhi waphakanyiswa waba ngu-lieutenant colonel. Wahlala nebutho lempi ngemuva kwempi, futhi wakhushulelwa esikhundleni sokuba ngu-Major ku-2nd US Artillery, ngoJuni 30, 1882. 