the JSSL that they pursued a young Royal Navy cadet who, in a published article, had publicly revealed some minor inside information about the work done there: in what was seen by many at the time as a gross overreaction, he was charged and convicted under the Official Secrets Act and, as a result, spent time in prison. Subsequently, security files were opened on everyone, staff and students who had passed through a JSSL course. See also British military history Defense Language Institute Intelligence (information gathering) Notes References Elliott, Geoffrey, & Shukman, Harold. Secret Classrooms: An Untold Story of the Cold War, St Ermin's Press, 2003. Further reading Boiling, Graham. Secret Students on Parade: Cold War Memories of JSSL, CRAIL, PlaneTree, 2005. Woodhead, Leslie. My life as a spy, Macmillan, 2005. Military training establishments of the United Kingdom Military of the United Kingdom in Cornwall 1951 establishments in the United Kingdom Language education in the United Kingdom