▁Army ▁would ▁consist ▁from ▁then ▁on ▁of ▁Army ▁Tro ops ▁( ar my ▁headquarters , ▁Army ▁School s , ▁and ▁base ▁units ); ▁District ▁Tro ops ▁( N or thern ▁Military ▁District , ▁Central ▁and ▁Southern ▁Military ▁District s , ▁the ▁ 1 2 ▁sub ordinate ▁area ▁H Q s , ▁elementary ▁training ▁elements , ▁coast al ▁art illery ▁and ▁composite ▁AA ▁reg iments ); ▁and ▁the ▁New ▁Zealand ▁Division , ▁the ▁mobile ▁striking ▁force . ▁The ▁division ▁was ▁altern atively ▁known ▁as ▁' 3 N ZE F '. ▁ ▁Korean ▁War ▁ 1 9 5 1 – 1 9 5 7 ▁ ▁The ▁Army ' s ▁first ▁combat ▁after ▁the ▁Second ▁World ▁War ▁was ▁in ▁the ▁Korean ▁War , ▁which ▁began ▁with ▁North ▁Korea ' s ▁invasion ▁of ▁the ▁South ▁on ▁ 2 5 ▁June ▁ 1 9 5 0 . ▁After ▁some ▁debate , ▁on ▁ 2 6 ▁July ▁ 1 9 5 0 , ▁the ▁New ▁Zealand ▁government ▁announced ▁it ▁would ▁raise ▁a ▁volunte er ▁military ▁force ▁to ▁serve ▁with ▁the ▁United ▁Nations ▁Command ▁in ▁Korea . ▁The ▁idea ▁was ▁opposed ▁initially ▁by ▁Chief ▁of ▁the ▁General ▁Staff , ▁Major - General ▁Keith ▁L inds ay ▁Stewart , ▁who ▁did ▁not ▁believe ▁the ▁force ▁would ▁be ▁large ▁enough ▁to ▁be ▁self - su fficient . ▁His ▁opposition ▁was ▁over ru led ▁and ▁the ▁government ▁raised ▁what ▁was ▁known ▁as ▁Kay force , ▁a ▁total ▁of ▁ 1 , 0 4 4 ▁men ▁selected ▁from ▁among ▁volunte ers . ▁ 1