미국 첩보위성 계통도

U.S. Reconnaissance Satellites
IMINT	Photographic KH-1 CORONA · KH-2 CORONA · KH-3 CORONA · KH-4A CORONA · KH-4B CORONA · KH-5 ARGON · KH-6 LANYARD · KH-7 GAMBIT · KH-8 GAMBIT · KH-9 HEXAGON · KH-10 DORIAN Electro-optical SAMOS · KH-11 KENNAN · KH-12 · KH-13 · FIA Synthetic Aperture Radar LACROSSE · Infrared  ·
SIGINT	Low Earth orbit GRAB · Poppy · White Cloud · SAMOS F Highly elliptical orbit Jumpseat · Trumpet Geosynchronous Earth Orbit Canyon · Magnum · Mentor · Mercury · Rhyolite/Aquacade · Vortex
MASINT	Primary Mission FORTE · GPS · DMSP · Vela Secondary Mission MIDAS · DSP · SBIRS
R&D	Primary Mission MiTEx · Secondary Mission  ·
Unknown	USA Number USA-193 · USA-202

http://en.wikipedia.org/wiki/KH-12