Department of the General Staff Department. At the behest of the 2nd Department, Chen returned to Taiwan and recruited his old associate, Yuan, the both of which continued to pass classified information on Taiwanese combat aircraft back to the 2nd Department on flash drives. Chen received a twenty-year prison sentence instead of the mandatory life sentences for military servicemembers. In 2021, Estonia charged a High-level scientist Tarmo Kõuts, with specialization in marine research. He was working at a NATO research institution focused on maritime and submarine research and had spied for China's Intelligence Bureau of JSDCMS since 2018. Directors References Central Military Commission (China) People's Liberation Army General Staff Chinese intelligence agencies Military intelligence agencies Ministry of National Defense (PRC)