<prompt> Bhala ukuqhubeka kwalesi sigaba - NgoMeyi 1846, uBuckner washiya isikhundla sakhe sokufundisa ukuze alwe eMpini yaseMexico naseMelika, wabhalisa ne-6th U.S. Infantry Regiment. Imisebenzi yakhe yokuqala yayihlanganisa ukuqoqa amasosha nokuwaletha emngceleni waseTexas. NgoNovemba 1846, watshelwa ukuba ajoyine inkampani yakhe ensimini; wahlangana nabo endleleni phakathi kweMonclova neParras. Le nkampani yajoyina uJohn E. Wool eSaltillo. NgoJanuwari 1847, uBuckner wathunyelwa eVera Cruz nebutho likaWilliam J. Worth. Ngesikhathi uMajor General Winfield Scott evimbezela iVera Cruz  <response>: , ibutho likaBuckner lahlasela izinkulungwane ezimbalwa zabamahhashi baseMexico edolobheni eliseduze okuthiwa i-Amazoque. 