Rubuta ci gaba ga wannan sakin layi - Rundunar Sojojin Sojojin Amurka ta 164 ta shiga aikin Guadalcanal a ranar 13 ga Oktoba 1942 tare da Rukunin Marine na 1 a matsayin rukunin farko na sojojin Amurka don gudanar da wani mummunan aiki a kan abokan gaba a ko dai Pacific ko Turai Theater of Operations a lokacin yakin duniya na biyu. Sauran rundunonin sojojin Amurka guda takwas sun fara ayyukan yaƙi a ƙarshen 1942: Rukunin 32 da na 41 na Infantry a cikin Pacific a New Guinea; kuma a Arewacin Afirka
, 1st, 3rd, 9th, da kuma 34th Infantry Divisions, da kuma 1st da 2nd Armored Divisions.