Purpose
Instead of flying payloads to the International Space Station (ISS) on government-operated vehicles, NASA would spend $500 million (less than the cost of a single Space Shuttle flight) through 2010 to finance the demonstration of orbital transportation services from commercial providers. Unlike any previous NASA project, the proposed spacecraft are intended to be owned and financed primarily by the companies themselves and will be designed to serve both U.S. government agencies and commercial customers. NASA will contract for missions as its needs become clear.
This is more challenging than existent commercial space transportation because it requires precision orbit insertion, rendezvous and possibly docking with another spacecraft. The private spaceflight vendors are competing for four specific service areas:
- Capability level A: External unpressurized cargo delivery and disposal
- Capability level B: Internal pressurized cargo delivery and disposal
- Capability level C: Internal pressurized cargo delivery, return and recovery
- Capability level D: Crew Transportation.
Read more about this topic: Commercial Orbital Transportation Services
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