<prompt> Qedela umusho olandelayo: Ekuqaleni kuka-1942, uSchrier wajoyina i-2nd Marine Raider Battalion eCamp Elliott, eSan Diego, wakhushulelwa esikhundleni sokuba yisalathisi ngo-Ephreli 1942. NgoJune 1942, wayeyingxenye yamakhompani amabili e- 2nd Raider Battalion ayethunyelwe  <response>: Isiqhingi saseMidway ukuze siqinise ibutho lalapho. Wabamba iqhaza eMpini yaseGuadalcanal futhi wazithola ebamba iqhaza ku-2nd Marine Raider Battalions epic Long Patrol ngemuva kwemigqa yezitha kusukela ngoNovemba kuya kuDisemba 1942. Phakathi nalesi senzo, wazihlukanisa ngokuhola ingxenye yenkampani yakhe ehlukanisiwe ukuze iphephe ngemuva kokuthi umphathi wenkampani yakhe eholele ngephutha esimweni esinobutha. Ekuqaleni kuka-1943, wakhushulelwa esikhundleni sokuba uLieutenant wesibili. Ngokulandelayo, wabelwa eminye imisebenzi ngaphakathi kwenhlangano ye-Raider, efana nokubheka nokuhlola eziqhingini eziphethwe yisitha ngaphambi kokuba amayunithi amakhulu enze ukuhlasela. Wanikezwa iLegion of Merit ngomsebenzi wakhe e-Vangunu Island ngesikhathi seNew Georgia Campaign ngoJuni 1943. Waphinde wasebenza eBougainville ekusekeleni izenzo zempi lapho. NgoFebhuwari 1944, ngemva kokuba amaMarine Raiders ehlakaziwe, wabuyela e-United States ukuze abe umfundisi wamasosha eMarines Corps Base Camp Pendleton. Ngokulandelayo wabelwa ukuba abe yisikhulu esiphethe i-E Company, i-2nd Battalion, i-28th Marine Regiment, i-5th Marine Division. NgoSepthemba, iDivision yesi-5 yashiya iCamp Pendleton yaya eHawaii, ukuyoqeqeshwa okwengeziwe. NgoJanuwari 1945, iDivision yesi-5 yashiya iHawaii ukuze ihlasele futhi ithathe i-Iwo Jima. 