Kammala jumla mai zuwa: Yayin da ake yakin Indochina tsakanin Vietnamese da Faransanci, Thailand <unk> ba ta son tsoffin abokan hamayyarta daidai <unk> da farko ta guji shiga rikici, amma da zarar ya zama yaƙi tsakanin Amurka da Kwaminisancin Vietnam, Thailand ta ba da kanta sosai ga Amurka. Thailand ta kulla yarjejeniyar soja ta sirri tare da Amurka a 1961, kuma a cikin 1963 a bayyane ya ba da izinin amfani da yankunansu a matsayin sansanonin jiragen sama da sansanonin sojoji na sojojin Amurka kafin a ƙarshe ta aika da dakarunta zuwa Vietnam. A Royal Thai Volunteer Regiment (da "Queen's Cobras") kuma daga baya Royal Thai Army Expeditionary Division ("Black Panthers"), sa'an nan kuma brigade, ya yi aiki a Kudancin Vietnam daga Satumba 1967 zuwa Maris 1972. Thailand duk da haka ya fi shiga tare da
asirin yaki da ayyukan ɓoye a Laos daga 1964 zuwa 1972. 'Yan Vietnam sun rama ta hanyar tallafawa Jam'iyyar Kwaminis ta Thailand ta tayar da hankali a sassa daban-daban na kasar. A shekara ta 1975 dangantakar da ke tsakanin Bangkok da Washington ta yi mummunan rauni; a ƙarshe duk sojojin Amurka da sansanonin sojoji sun tilasta janyewa kuma kai tsaye Thai shiga cikin rikici ya ƙare.