Chamran was chosen as its military head before returning to the US.In 1966, Yazdi moved headquarters of SAMA to Beirut. In 1967, he enrolled at Baylor University and received a PhD in biochemistry.He was cofounder of the Freedom Movement of Iran, Abroad, along with Mostafa Chamran, Ali Shariati, and Sadegh Qotbzadeh in 1961.