amphion-class submarine

  1. Grey Havoc

    HMS Alliance (P417 / S76)

    HMS Alliance was modified for SIGINT/ELINT work during a yard period in the late 1950s (1958-1960), in particular for monitoring the Soviet Northern Fleet, at least according to the Daily Telegraph obituary of Rear Admiral Martin Wemyss linked below...
    • Grey Havoc
    • Thread
    • 1960s amphion-class submarine cold war elint late 1950s royal navy signals intelligence
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    • Forum: Military
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