Nyorai kupfuurira kweiyi ndima - 15th Infantry yakasiya China kuenda kuFort Lewis, Washington, musi wa 2 March 1938. Musi wa 12 Ndira 1940, chikwata ichi chakanzi chibatane ne3d Infantry Division. LTC Dwight D. Eisenhower akashanda mu15th kubva munaKurume kusvika munaNovember 1940, semutungamiri we1st Battalion. Musi wa24 October 1942, 15th Infantry ne3d Infantry Division vakabva kuNorfolk, Virginia, vakananga kuFrench Morocco. Kwemwedzi 31 yakatevera, chikwata chacho chakarwa muNorth Africa yeFrance, Sicily, Italy, France, neGermany. Musi wa 10 Chikunguru 15th Infantry yakatanga muSicily paLicata pa h.2.57, Allied invasion yeSicily
, inonzi Operation Husky, pamhenderekedzo dzeMollarella nePoliscia. Pakupera kwehondo muEurope, 15th Infantry yakanga ine 16 Medal of Honor vanogamuchira kusanganisira Audie Murphy, murwi anoremekedzwa zvikuru wehondo yeHondo Yenyika II. 15th infantry casualties yeHondo Yenyika II inosanganisira, 1,633 vakaurayiwa, 5,812 vakakuvadzwa, uye 419 vanoshaya muhondo.