During the first years of Post-independence Burma (1948-62), insurgencies by the Red Flag Communists led by Thakin Soe, the White Flag Communists led by Thakin Than Tun, the Yèbaw Hpyu (White-band PVO) led by Bo La Yaung, a member of the Thirty Comrades, army rebels calling themselves the Revolutionary Burma Army (RBA) led by communist officers Bo Zeya, Bo Yan Aung and Bo Yè Htut - all three of them members of the Thirty Comrades, Arakanese, and the Karen National Union (KNU).