This is a thread for the developement of the Interorbital Systems Family of Rocket systems.
It includes the following:
Neptune Rocket Series
N Core Propulsion Module(N30)
N9
N30
N36
N45
N1000
N4000
Manned/Cargo Capsules:
OSM/CM
IOS CM-1(Boiler Plate)
CM-6 and varients, CM-4, CM-7, CM
Ripper...