<prompt> Pedzisa mutsara unotevera: Mukutanga kwa 1942, Schrier akabatana ne2nd Marine Raider Battalion paCamp Elliott, San Diego, achisimudzirwa kuva platoon sergeant muna April 1942. Muna June 1942, akanga ari rutivi rwamapoka maviri e2nd Raider Battalion ayo akatumirwa ku  <response>: Chitsuwa cheMidway kuti chisimbise nhare ikoko. Akatora rutivi muHondo yeGuadalcanal uye akazviwana achitora rutivi mu2nd Marine Raider Battalions epic Long Patrol shure kwemitsara yevavengi kubva munaNovember kusvika munaDecember 1942. Mukati meichi chiito, akazviratidza amene kupfurikidza nokutungamirira rutivi rwekambani yake yakaparadzaniswa kuchengeteka pashure pokunge mutungamiriri wake wekambani akavatungamirira zvisiri izvo mumamiriro ezvinhu ane utsinye. Pakutanga kwa1943, akasimudzirwa kuva lieutenant wechipiri munhandare. Pashure pacho, akapiwa mamwe mabasa musangano reRaider, akadai sokucherechedza uye kuongorora pazvitsuwa zvaiva muvengi asati aendesa zvikwata zvakakura kuti zvinorwisa. Akapiwa Legion of Merit nokuda kwebasa rake paVangunu Island munguva yeNew Georgia Campaign muna June 1943. Akashandawo paBougainville achitsigira mabasa ehondo ikoko. Muna February 1944, mushure mekunge maMarine Raiders apera, akadzokera kuUnited States kuti ave murayiridzi wevarwi paMarine Corps Base Camp Pendleton. Akabva apiwa basa rokuva mukuru mukuru weE Company, 2nd Battalion, 28th Marine Regiment, 5th Marine Division. Muna September, 5th Division yakasiya Camp Pendleton ichienda kuHawaii, kunodzidziswazve. Muna January 1945, 5th Division yakasiya Hawaii nokuda kwokudenha uye kubata Iwo Jima. 