st ▁Battalion , ▁ 1 5 8 th ▁Infantry ▁Regiment ▁and ▁assigned ▁as ▁an ▁element ▁of ▁the ▁ 2 9 th ▁Infantry ▁Brigade ▁Com bat ▁Team ▁( HI ▁AR NG ). ▁ ▁The ▁official ▁national ▁mot to ▁of ▁the ▁Army ▁National ▁Guard ▁is ▁" Al ways ▁Re ady , ▁Always ▁There ". ▁Like ▁the ▁majority ▁of ▁all ▁ 5 4 ▁states ▁and ▁territ ories , ▁the ▁Arizona ▁Army ▁National ▁Guard ▁has ▁its ▁own ▁official ▁mot to ▁" Pro te ct ing ▁What ▁Mat ters ". ▁ ▁D ut ies ▁ ▁National ▁Guard ▁units ▁can ▁be ▁mobil ized ▁at ▁any ▁time ▁by ▁president ial ▁order ▁to ▁supp lement ▁regular ▁armed ▁forces , ▁and ▁upon ▁declaration ▁of ▁a ▁state ▁of ▁emer gency ▁by ▁the ▁governor ▁of ▁the ▁state ▁in ▁which ▁they ▁serve . ▁Un like ▁Army ▁Reserve ▁troops , ▁Arizona ▁Army ▁National ▁Guard ▁ ▁Sold iers ▁cannot ▁be ▁mobil ized ▁individually ▁( except ▁through ▁volunt ary ▁trans fers ▁or ▁approved ▁temporary ▁duty ▁assign ments ), ▁but ▁only ▁as ▁part ▁of ▁their ▁respective ▁units . ▁ ▁Active ▁duty ▁call ups ▁For ▁much ▁of ▁the ▁final ▁dec ades ▁of ▁the ▁tw enti eth ▁century , ▁National ▁Guard ▁personnel ▁typically ▁served ▁" One ▁week end ▁a ▁month , ▁two ▁weeks ▁a ▁year ", ▁with ▁a ▁portion ▁working ▁for ▁the ▁Guard ▁in ▁a ▁full - time ▁capacity . ▁ ▁The ▁current ▁forces ▁formation ▁plans ▁of ▁the ▁US ▁Army ▁call ▁for ▁the ▁typical ▁National ▁Guard ▁unit ▁( or ▁National ▁Gu ards man ) ▁to ▁serve ▁one ▁year ▁of ▁active ▁duty