Transportation. 12.1.a. Launch and return transportation services for the Space Station will be provided by the following government and private sector space transportation systems: -the U.S. Space Shuttle; -the Russian Proton, and Soyuz-type launch vehicles and the Progress M- and Soyuz TM-type vehicles; -the European Ariane-5 launch vehicle and the associated orbital transfer vehicle; and -the Japanese H-II launch vehicle and the associated orbital transfer vehicle.
