TABLE 3-7. SPACE-TO-EARTH THREATS WEAPON TARGET PERIOD REMARKS HEL Structures, vehicles M but I HF chemical lasers could be deployed in snace by the late 1980’s. Deployment in GEO is impractical due to the long ranges involved. (Electric discharge and free electron lasers would be more likely candidates for GEO deployment since large amounts of electrical power would be available. PBW (neutral beam or pulsed charged beam) Structures, vehicles I The difference in exo- and endo-atmosnheric propagation mechanisms make it unlikely that ground-to-space or space-to-ground attacks can be mounted. RV Structures N Earth bombardment, second strike capability. SPS beam Structures People Elec, equip. WXM Customers I F(I?) F I F Insufficient power for incendiary attacks. Psychwar (possible but implausible) Jamming (near 2.45 GHz) Requires too much power. Denial of power is possible. RF transmitter RF equip. People WXM M M I EW (any desired frequency) Wide area broadcast Requires too much power (at 22 GHz). RF sensors RF emanations M SIGINT collection Ontical/infrared sensors Structures and vehicles N Photoreconnaissance, surveillance Radars Structures and vehicles ... - j n : Surveillance and reconnaissance RF/laser , communications ________ . ___ .______i People N ■ 1 Military communications
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