Kammala jumla mai zuwa: Rundunar Sojojin Ruwa ta yi aiki a yakin Vietnam, ta shiga cikin irin wannan yakin kamar yakin Hue da yakin Khe Sanh a shekarar 1968. Mutane daga USMC gabaɗaya suna aiki a Yankin Arewacin I Corps na Kudancin Vietnam. Yayin da suke can, suna ci gaba da yin yaƙi da Viet Cong, tare da yaƙin da aka saba yi da sojojin Arewacin Vietnam, wannan ya sa aka san Marine Corps a duk faɗin Vietnam kuma ya sami suna mai ban tsoro daga Viet Cong. Sassan Corps sun kasance suna da alhakin shirin da ba a san shi ba na hadin gwiwa wanda ya aiwatar da dabarun da ba na al'ada ba don yaƙi da tawaye kuma ya yi aiki a matsayin masu ba da shawara na soja ga Jamhuriyar Vietnam Marine Corps. An janye sojan ruwa a 1971 kuma sun dawo a takaice a 1975 don kwashe Saigon da kuma kokarin ceton ma'aikatan jirgin.
SS "Mayaguez". (Turanci mai suna "Mayaguez") Vietnam ita ce mafi tsawo a cikin yakin da aka yi a wannan lokacin don Marines; a ƙarshensa, an kashe 13,091 a cikin aiki, 51,392 sun ji rauni, kuma an ba da lambar yabo ta 57. Saboda manufofi game da juyawa, an tura karin sojojin ruwa don aiki a lokacin Vietnam fiye da yakin duniya na biyu.