Kammala wannan jumla: A tsakiyar 1942, Sojojin Amurka sun kafa Rundunar Sojojin Sojoji a Arewacin Ireland karkashin William O. (Bill) Darby. An tsara Rangers tare da layi iri ɗaya da na Kwamandojin Burtaniya. Na farko da ya dace da aikin Ranger ya faru a watan Agustan 1942 a
Dieppe Raid, inda 'yan Rangers 50 daga 1st Ranger Battalion suka warwatse a tsakanin' yan Kanada na yau da kullun da kwamandojin Burtaniya. An fara aikin Ranger na farko a watan Nuwambar 1942 yayin mamayewar Algiers a Arewa maso Yammacin Afirka a cikin Operation Torch, kuma ta membobin 1st Ranger Battalion.