▁choose ▁not ▁to ▁dis arm , ▁the ▁United ▁States ▁will ▁lead ▁a ▁coal ition ▁of ▁the ▁willing ▁to ▁dis arm ▁him ." ▁ ▁The ▁Bush ▁administration ▁briefly ▁used ▁" co al ition ▁of ▁the ▁willing " ▁to ▁refer ▁to ▁the ▁countries ▁who ▁supported , ▁militar ily ▁or ▁polit ically , ▁the ▁ 2 0 0 3 ▁invasion ▁of ▁Ira q ▁and ▁subsequent ▁military ▁presence ▁in ▁post - in vas ion ▁Ira q . ▁The ▁original ▁list ▁released ▁in ▁March ▁ 2 0 0 3 ▁included ▁ 4 6 ▁members . ▁In ▁April ▁ 2 0 0 3 , ▁the ▁list ▁was ▁updated ▁to ▁include ▁ 4 9 ▁countries , ▁though ▁it ▁was ▁reduced ▁to ▁ 4 8 ▁after ▁Costa ▁Rica ▁object ed ▁to ▁its ▁inclusion . ▁Of ▁the ▁ 4 8 ▁countries ▁on ▁the ▁list , ▁three ▁contributed ▁troops ▁to ▁the ▁invasion ▁force ▁( the ▁United ▁Kingdom , ▁Australia ▁and ▁Poland ). ▁An ▁additional ▁ 3 7 ▁countries ▁provided ▁some ▁number ▁of ▁troops ▁to ▁support ▁military ▁operations ▁after ▁the ▁invasion ▁was ▁complete . ▁ ▁The ▁list ▁of ▁coal ition ▁members ▁provided ▁by ▁the ▁White ▁House ▁included ▁several ▁nations ▁that ▁did ▁not ▁intend ▁to ▁particip ate ▁in ▁actual ▁military ▁operations . ▁Some ▁of ▁them , ▁such ▁as ▁Marshall ▁Islands , ▁Mic ron esia , ▁Pal au ▁and ▁Sol omon ▁Islands , ▁did ▁not ▁have ▁standing ▁arm ies . ▁However , ▁through ▁the ▁Comp act ▁of ▁Free ▁Association , ▁citizens ▁of ▁the ▁Marshall ▁Islands , ▁Pal au ▁and ▁the ▁Feder ated ▁States ▁of ▁Mic ron