Kammala wannan jumla: A ƙarshen Yaƙin Duniya na 1 Majalisar ta ba da izinin maza 1,020 don jirgin sama na Marine Corps da kuma kafa tashoshin jiragen sama na dindindin a Quantico, Parris Island da San Diego. Amurka ta rungumi matsayinta na ikon duniya, kuma Rundunar Sojojin Ruwa ta zama ta fi so don shiga tsakani na soja; inda Sojojin Ruwa suka tafi, haka ma jirgin sama na Marine Corps. A lokacin Yaƙin Banana, yayin da yake yaƙi da 'yan fashi da 'yan tawaye a wurare kamar
Haiti, Jamhuriyar Dominican da Nicaragua, 'yan jirgin ruwa na Marine Corps sun fara gwaji tare da dabarun iska-ƙasa kuma suna ba da goyon baya ga' yan uwan su a ƙasa aikinsu na farko. A Haiti ne Sojojin ruwan suka fara kirkirar dabarar kai harin bama-bamai kuma a Nicaragua ne suka fara inganta ta. Duk da yake wasu ƙasashe da sabis sun gwada bambance-bambancen wannan fasaha, matukan jirgin ruwa na Marine Corps sune na farko da suka rungume shi kuma suka sanya shi wani ɓangare na ka'idar dabarunsu. Jirgin sama na Marine Corps a Nicaragua ya haɓaka ƙwarewar sake samar da iska na wuraren da ke fitar da kaya daga Fokker F.VII tri-motors. Ko da kafin abubuwan da suka faru a cikin Caribbean, majagaba na jirgin sama na Marine Corps kamar Alfred Cunningham ya lura a cikin 1920 cewa, "... kawai uzuri ga jirgin sama a kowane sabis shine amfani da shi wajen taimaka wa sojojin da ke ƙasa don samun nasarar aiwatar da ayyukansu. ""