▁numbers ▁being ▁sent ▁back ▁to ▁South ▁Africa ▁was ▁low ▁and ▁that ▁conditions ▁in ▁the ▁cam ps ▁were ▁often ▁poor ▁grew . ▁After ▁M K ▁cad res ▁were ▁asked ▁by ▁Oliver ▁Tam bo ▁to ▁join ▁the ▁Ang olan ▁war ▁against ▁Un ita ▁and ▁found ▁that ▁the ▁Ang ol ans ▁were ▁often ▁poor ly ▁trained ▁and ▁ind is cipl ined ▁fr ustration ▁turned ▁to ▁mut iny , ▁and ▁in ▁some ▁cases ▁open ▁military ▁conflict ▁inside ▁the ▁training ▁cam ps ▁themselves . ▁In ▁one ▁case ▁mut ine ers ▁killed ▁AN C ▁members ▁and ▁after ▁the ▁mut iny ▁was ▁suppress ed ▁seven ▁mut ine ers ▁were ▁executed ▁( with ▁further ▁execution s ▁only ▁halt ed ▁after ▁the ▁personal ▁inter vention ▁of ▁Tam bo ) ▁ ▁Rh odes ia ▁( Z imb ab we ) ▁ ▁During ▁the ▁Rh odes ian ▁Bush ▁War , ▁M K ▁was ▁closely ▁al lied ▁with ▁the ▁Z imb ab we ▁People ' s ▁Revolution ary ▁Army ▁( Z IP RA ), ▁the ▁armed ▁wing ▁of ▁Z AP U . ▁M K ▁became ▁interested ▁in ▁using ▁Z IP RA ' s ▁in fil tr ation ▁routes ▁to ▁sm ug gle ▁supplies ▁to ▁its ▁f igh ters ▁in ▁South ▁Africa , ▁and ▁organ ised ▁a ▁joint ▁expedition ▁with ▁the ▁latter ▁in ▁August ▁ 1 9 6 7 . ▁A ▁combined ▁M K - Z IP RA ▁force ▁was ▁largely ▁elimin ated ▁by ▁the ▁Rh odes ian ▁Security ▁Forces ▁during ▁Operation ▁Nick el , ▁and ▁the ▁surv iv ors ▁driven ▁back ▁across ▁the ▁border ▁into