Space Taxis (ST) and associated auxiliary vehicles
Long duration ecological system
A set of mission modules referred to summarily as Life Support Section (LSS),including a radiation shelter, command module, ecology module, and others such as a workshop module, data transmission module and a more for electric power generation.
Orbit Launch Preparation Modules (OLPM) to support fueling and checkout activities.
An Earth Entry Module (EEM)
Propulsion Modules, for the Heliocentric Interorbital Space Vehicle
An Orbital Tanker Vehicle (OTV)
A Destination Space Vehicle (DSV) if secondary (excursions) missions are planned at the destination