Passenger and resupply flights will make up the majority of the total amount of Reentry Vehicles (RVs) needed for orbital ops. The other shuttles will bring up rocket propellant.
Table 1 provides a breakdown of the 30 RV flights needed for orbital operations.
The propellant will be used to fill the Orbital Vehicles (OVs) used for the Moon Ship and Rocket Ship tourism packages.
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