In this Feb. 14, 2019 file photo, Jeremy Fleming, head of the British Government Communications Headquarters (GCHQ) walks in London. Secret intelligence is playing an unusually public role in the war in Ukraine. Intelligence agencies, especially in the U.S. and Britain, have been remarkably willing to share their assessments of what is happening on the battlefield — and inside the Kremlin. (AP Photo/Frank Augstein, File)
