A file of reports and memoranda relating to the Free Greece Markos radio station, which was broadcasting to Greece, and encouraging Greeks to fight against the Greek government. Documents include a report on the radio station, outlining its activities, its foreign policy implications and emphasising the necessity for its location; a report of a committee meeting discussing possible locations for the transmission of the radio station, with particular emphasis on Belgrade; and a memo on possible locations and the interception of radio communications in Greece and the Balkans.