<prompt> Qedela umusho olandelayo: Ngo-1863, ibhethri lika-Elder labelwa i-U.S. Horse Artillery Brigade, lapho lasebenza khona ingxenye enkulu yempi eyayisele. 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. Lapho ebuyela e-Horse Artillery, waphinde waqanjelwa izenzo  <response>: UDrewrys Bluff, ngoMeyi 5, 1864, futhi wathola isikhundla sokuba uLieutenant Colonel. Wahlala nebutho lempi ngemuva kwempi, futhi wakhushulelwa esikhundleni sokuba ngu-Major ku-2nd US Artillery, ngoJuni 30, 1882. 