Similar to アリエル4号
DC-X
McDonnell Douglas DC-XDearMoon
DearMoon projectDRO-AとB
EDVEGA
EMドライブ
EmDriveEncyclopedia Astronautica
Encyclopedia AstronauticaEOLE
EQUULEUS
EQUULEUSEROS (人工衛星)
EROS (satellite)EUVE
Extreme Ultraviolet ExplorerF-1ロケットエンジン
Rocketdyne F-1FITSAT-1
NiwakaGALEX (人工衛星)
GALEXGOES 14
GOES 14GPIM
Green Propellant Infusion MissionGRAIL
GRAILGRUS
GSAT-8
GSAT-8GSAT-12
GSAT-12H-1 (ロケットエンジン)
Rocketdyne H-1HEAO-2
Einstein ObservatoryHYFLEX
HYFLEXIBEX (人工衛星)
Interstellar Boundary ExplorerIMAGE (人工衛星)
IMAGE (spacecraft)INTASAT
IntasatINVADER (人工衛星)
INVADERISCコスモトラス
ISC KosmotrasIshim計画