In our latest episode, Dr. Sara Castro, instructor at the US National Space Security Institute,  discloses the inner workings of US military intelligence. In her wide-ranging conversation with Dr. Barend Noordam, she discusses its emergence as a distinct field, her own career path from academia to intelligence and back, as well as her recent book "Mission to Mao: US Intelligence and the Chinese Communists in World War II" (Georgetown University Press, 2024). What are points of tension between the state and intelligence agencies? Did prolonged contact with Chinese communists test the loyalty of US intelligence officers? And how can historical knowledge be useful for spies in space? Listen in!