Home Impressum FAQ


  • OAS

    Organisation de lArmIe SecrHte

  • OB

    Order of Battle

  • OG

    Organisation Gehlen

  • OGPU

    Unified State Political Directorate, 1923-34

  • OIC

    Operational Intelligence Center

  • ONE

    Office of National Estimate (USA)

  • ONI

    Office of Naval Intelligence

  • OP

    Operations and Plans (NSA)
    (1585/ND/0001)

  • OPINT

    Operational Intelligence

  • OPLAN

    Operation Plan

  • OPSEC

    Operations security (USA)

  • OPÜ

    Operativer Überläufer

  • OSINT

    open-source intelligence

  • OSS

    Office of Strategic Service
    Office of Strategic Services, 1942-45