▁as ▁a ▁separate ▁post ▁( Ex empt ed ▁Status ). ▁The ▁name ▁of ▁the ▁facility ▁at ▁the ▁time ▁was ▁" Ar my ▁Air ▁Base , ▁M uro c ▁Lake ". ▁ ▁In ▁July ▁ 1 9 4 2 , ▁M uro c ▁Army ▁Air field ▁became ▁a ▁separate ▁air field ▁from ▁March ▁Field ▁and ▁was ▁placed ▁under ▁the ▁juris diction ▁of ▁Four th ▁Air ▁Force . ▁Through out ▁the ▁war ▁years , ▁the ▁primary ▁mission ▁at ▁M uro c ▁was ▁providing ▁final ▁combat ▁training ▁for ▁bom ber ▁and ▁f ighter ▁air cre ws ▁just ▁before ▁over se as ▁deployment . ▁Among ▁its ▁sub - b ases ▁and ▁auxili aries ▁were : ▁ ▁Bishop ▁Army ▁Air field ▁▁ ▁B ly the ▁Army ▁Air field ▁▁▁ ▁Pal md ale ▁Army ▁Air field ▁▁▁ ▁Des ert ▁Center ▁Army ▁Air field ▁▁▁▁ ▁Gary ▁Army ▁Air field ▁▁ ▁M uro c ▁was ▁initially ▁used ▁for ▁IV ▁Bom ber ▁Command ▁Oper ational ▁Unit ▁training . ▁The ▁B - 2 5 ▁Mitchell ▁ 4 1 st ▁and ▁ 3 0 th ▁Bomb ard ment ▁Gr oups ▁and ▁the ▁A - 2 0 ▁Hav oc ▁ 4 7 th ▁Bomb ard ment ▁Gr oups ▁trained ▁at ▁the ▁station ▁in ▁early ▁ 1 9 4 2 . ▁The ▁training ▁provided ▁newly ▁graduated ▁pil ots ▁eight ▁to ▁ 1 2 ▁weeks ▁of ▁training ▁as ▁a ▁team ▁using ▁the ▁same ▁aircraft ▁they ▁would ▁use ▁in ▁combat . ▁In ▁ 1 9 4 2 , ▁the ▁training ▁mission ▁was ▁transferred ▁to ▁IV ▁F ighter ▁Command