' ▁and ▁' b att alion ▁group ' ▁seem ▁to ▁be ▁inter change ably ▁used , ▁which ▁can ▁cause ▁confusion . ▁However , ▁it ▁can ▁be ▁argued ▁that ▁both ▁are ▁accurate ▁in ▁slightly ▁different ▁sens es . ▁In ▁a ▁tact ical ▁sense , ▁given ▁that ▁the ▁Reserve ▁units ▁are ▁group ings ▁of ▁all ▁arms , ▁the ▁term ▁' b att alion ▁group ' ▁is ▁accurate , ▁though ▁usually ▁used ▁for ▁a ▁much ▁more ▁single - arm ▁heavy ▁grouping , ▁three ▁inf antry ▁companies ▁plus ▁one ▁arm oured ▁squad ron , ▁for ▁example . ▁N Z ▁reserve ▁batt alion ▁groups ▁are ▁composed ▁of ▁a ▁large ▁number ▁of ▁small ▁units ▁of ▁different ▁types . ▁ ▁The ▁term ▁' reg iment ' ▁can ▁be ▁accur ately ▁applied ▁in ▁the ▁British ▁regiment al ▁systems ▁sense , ▁as ▁all ▁the ▁sub un its ▁collect ively ▁have ▁been ▁given ▁the ▁her itage ▁of ▁the ▁former ▁N Z ▁inf antry ▁reg iments ▁( 1 9 0 0 – 1 9 6 4 ). ▁T F ▁reg iments ▁prepare ▁and ▁provide ▁trained ▁individuals ▁in ▁order ▁to ▁top - up ▁and ▁sust ain ▁oper ational ▁and ▁non - oper ational ▁units ▁to ▁meet ▁directed ▁outputs . ▁T F ▁reg iments ▁perform ▁the ▁function ▁of ▁a ▁training ▁unit , ▁prepar ing ▁individuals ▁to ▁meet ▁pres cribed ▁outputs . ▁The ▁six ▁reg iments ▁command ▁all ▁Territ orial ▁Force ▁personnel ▁within ▁their ▁region ▁except ▁those ▁posted ▁to ▁formation ▁or ▁command ▁headquarters , ▁Military ▁Police ▁( MP ) ▁Company , ▁Force ▁Int elligence ▁Group ▁( FIG