Kammala wannan jumla: A matsayin martani ga ayyukan Yammacin Turai da nufin sake sake masana'antar yankunan da Jamus ta mamaye, Stalin ya ba da umarnin toshe sassan Yammacin Turai na Berlin, wanda ke da zurfin yankin Soviet. Stalin ya yi fatan hana ƙirƙirar wata ƙasa ta Jamus ta yamma da ke da alaƙa da Amurka, ko kuma, idan hakan ya gaza, don ƙarfafa iko a kan gabashin Jamus. Bayan da aka fara rufewa a ranar 24 ga Yuni, 1948, kwamandan yankin da Amurka ta mamaye a Jamus, Janar Lucius D. Clay, ya ba da shawarar aika da babban rukunin makamai a fadin yankin Soviet zuwa Berlin ta Yamma tare da umarnin kare kanta idan an dakatar da shi ko kai hari. Truman ya yi imanin cewa wannan zai haifar da haɗarin yaƙin da ba za a yarda da shi ba, kuma a maimakon haka ya amince da shirin Ernest Bevin na samar da birni da aka kewaye ta hanyar iska. A ranar 25 ga Yuni, Allies sun fara
Berlin Airlift, yaƙin neman zaɓe wanda ya isar da abinci da sauran kayayyaki, kamar kwal, ta amfani da jiragen sama na soja a kan babban sikelin. Ba a taɓa yin ƙoƙari irin wannan ba a dā, kuma babu wata ƙasa da take da ƙarfin da za ta cim ma hakan. Jirgin sama ya yi aiki, kuma aka sake ba da izinin shiga ƙasa a ranar 11 ga Mayu, 1949. Jirgin sama na Berlin ya kasance daya daga cikin manyan nasarorin manufofin kasashen waje na Truman, kuma ya taimaka masa sosai a yakin neman zabensa a shekarar 1948.