Dee ihe na-aga n'ihu na paragraf a - Ngalaba nke mbụ na steeti a ga-etinye na nzaghachi na mwakpo ahụ na Pearl Harbor, Ngalaba nke 27 hapụrụ Fort McClellan na Disemba 14, 1941 maka California iji guzobe ọnọdụ mgbochi megide mbuso agha a na-atụ anya ya na ụsọ oké osimiri ndịda ọdịda anyanwụ United States. E zigara ha na Pacific Theater of Operations ma rute Hawaii, 21 Mee 1942, iji chebe agwaetiti ndị dị na mpụga site na mwakpo amphibious. Ndị agha 165th na 3rd Battalion, 105th Infantry buru ụzọ hụ ọgụ megide onye iro n'oge mwakpo na ijide Makin Atoll na Gilbert Islands, 21-24 Nọvemba 1943. 1st na 3rd Battalions nke 106th Regiment sonyere na mwakpo na Eniwetok Atoll
, 19<unk>26 Febụwarị 1944, na-alaghachi Oahu na Machị. N'oge ọrụ a, ndị 2nd Battalion, 106th Infantry rutere na agwaetiti Majuro na February 1, wee mezue njide ya na February 3. Ngalaba ahụ malitere nkwadebe maka ọrụ Marianas, Machị 15. Na D-day plus 1, 16 June 1944, ndị agha rutere n'abalị na Saipan iji kwado Ngalaba nke Abụọ na nke Anọ. E guzobere ebe a na-eme njem na Aslito Airfield weghaara, 18 June. Agha ahụ gara n'ihu n'ọnwa June dum. Onye isi ndị agha mmiri Holland Smith, enweghị afọ ojuju na arụmọrụ nke Ngalaba nke 27, wepụrụ onye isi ya, Ọchịagha ndị agha Ralph C. Smith., nke dugara na iwe iwe sitere n'aka ndị isi ndị agha, gụnyere Onye isi ndị agha George C. Marshall. N'oge ọgụ a na-alụ, na 7 Julaị, ndị Japan meriri ihe ndị dị na ngalaba ahụ na mwakpo banzai, mana a na-akụghasị nguzogide a haziri ahazi n'echi ya. N'ọnwa Julaị na Ọgọst, ndị agha nke iri abụọ na asaa ahụ gara kpochapụ ebe ndị dịpụrụ adịpụ n'ugwu na n'elu ugwu Saịpan.