I found it pla stands for china army.as you said i found it in pla packs addons(79 mb).the problem caused by the mission maker whose mission i download.he give zta.pbo and mission.pbo. In zip file.he make a mission with this tank addons and put east on it.this is bad thing he done.
As you prepare texture pack for ww4mode1.there is also campaign,sp,mp mission. could you know about them.i download this mode but there is no as i mention above?plz rply