Rubuta ci gaba ga wannan sakin layi - A cikin 1959, Janar Ne Win's gwamnatin soja ta wucin gadi ta kafa gidan yari a tsibirin Great Coco. Bayan juyin mulkin Ne Win na 1962
kuma bayan shigar da gwamnatin soja, kurkukun ya sami suna a matsayin "Tsibirin Iblis" na Burma. A shekara ta 1969, an faɗaɗa shi don ɗaukar ƙarin fursunonin siyasa. Bayan wani yajin aiki, duk fursunoni a tsibirin an tura su zuwa gidan yarin Insein na Rangoon a shekarar 1971. Bayan rufe gidan yarin, an canja wuraren da ke Tsibirin Great Coco zuwa Sojojin ruwan Burma.