Table 5-1 TECHNOLOGICAL SAFEGUARDS FOR SPS SAFEGUARD ABBREVIATION COUNTER COUNTER THREAT VULNERABILITY Alternate SPS designs -- X X Antisatellite weapons ASAT X Baggage and cargo inspection BCI X X Ballistic missile defense ABM X Boobytraps BT X Chaff, decoys -- X X Counter-ASAT -- X Counterespionage and intelligence CE+I X Design for survivability -- X Dual key (or multikey) enabling systems DK XX Electronic countermeasures ECM X X Electronic signal intelligence SIGINT X X Encryption -- X X Evasive maneuvering AV X Fences —— X Hardening Hard. X X Long-range space surveillance LRSS X X Monitor crew movements -- X X National territorial defense -- X Physical attack -- X Pilot beam override -- X Reduced observables ("STEALTH" technology) Red. obs. X X Reflectors (against high energy lasers) -- X X Remote/redundant pilot beams -- X Self-defense SDF X X Self-destruct SD X Spare vehicles -- X Surface-to-air missiles SAM X Surveillance and reconnaissance S&R X Industrial security measures IS XX International agreements and treaties Agr. X X International resident inspection operations RIO X Personnel screening and selection PS X Police and security forces Police X Proximity rules in space (by international agreement) Prox. X X Public discussion Pub. disc. X X
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