Similar to G-1_(ロケット)

N1 (rocket)

Zvezda (moonbase)

Soviet crewed lunar programs

Airborne Launch Assist Space Access

Project VR-190

McDonnell Douglas DC-X

GX (rocket)

British Aerospace HOTOL

Jupiter Icy Moons Orbiter

Kistler K-1

Lunar-A

MAKS (spacecraft)

Megaroc

Man in Space Soonest

Nova (rocket)

OTRAG

OTRAG (rocket)

STS-41-F

STS-61-H

STS-62-A

STS-61-M

Terrestrial Planet Finder

TR-107