outer
ATDA
ATS
Alouette
Anna
Apollo
Ariel
Atlas-Score
Biosatellite
Comsat
Cosmos
Courier
Diapason
Discoverer
ERS
Early Bird
Echo
Elektron
Explorer
GATV
Gemini
Injun
Intelsat
Lofti
Luna
Lunar Orbiter
Lunik
Mariner
Mars probes
Mercury
Midas
Nimbus
OAO
OGO
OSO
Pageos
Pegasus
Pioneer
Proton
Ranger
Relay
Samos
San Marco
Secor
Sputnik
Surveyor
Syncom
Telstar
Transit
Vanguard
Viking
solar
air
beam
broadcast
follower
send
transmit
aircraft
camera
communication
computer
laser
missile
monitor
network
phone
planet
probe
radar
radio-
sensor
station
surveillance
target