On the heels of awarding groundbreaking contracts to U.S. commercial space companies to ferry American astronauts to the International Space Station, NASA has released a request for proposals (RFP) for the next round of contracts for private-sector companies to deliver experiments and supplies to the orbiting laboratory.

Źródło: NASA Expands Commercial Space Program, Requests Proposals for Second Round of Cargo Resupply Contracts for International Space Station