off-site monitoring once-through fuel cycle on-line refueling on-site inspection optimum height optimum security threshold outguessing regress overpressure over-the-horizon missile attack pace of proliferation pathfinder patriot missile peaceful coexistence peaceful nuclear explosion peaceful use penetration aids perimeter acquisition radar perimeter portal monitoring permissive action link Perry-class guided missile frigate phased-array radar pin-point bombing planned aggregate yield plutonium fuel cycle plutonium production reactor point of impact polar orbiting geophysical observatory polar space launch vehicle Polaris missile Polaris submarine positive security assurance power politics power reactor precision bombing precision guided munitions production reactor propelled rocket ascent mine radar cross-section radar intelligence radar ocean reconnaissance satellite radioisotope radius of action Rafale fighter ramjet range finder reactor core reactor-grade plutonium recycled nuclear fuel red fuming nitric acid reentry vehicle reflective particle tag regional disarmament remote sensing technology remotely-piloted vehicle render-safe experiments research reactor residual radiation rocket engine roll and yaw departure routine inspection safeguarded facility satellite data system satellite defense satellite inspector system satellite launch vehicle sea cobra helicopter sea knight helicopter sea stallion helicopter security dilemma security guarantees