Commercial Resupply Services
| Commercial Resupply Services | |
|---|---|
Dragon 1 (left) and Enhanced Cygnus (right), two of the Commercial Resupply Services spacecraft | |
| Type of project | Aerospace |
| Owner | NASA |
| Country | United States |
| Established | 2008 |
| Status | Active |
| Website | nasa |
| Part of a series on |
| Private spaceflight |
|---|
Commercial Resupply Services (CRS) are a series of flights awarded by NASA for the delivery of cargo and supplies to the International Space Station (ISS) on commercially operated spacecraft.
The first phase of CRS contracts (CRS-1) were signed in 2008 and awarded $1.6 billion to SpaceX for twelve Dragon 1 and $1.9 billion to Orbital Sciences for eight Cygnus flights, covering deliveries to 2016. The first operational resupply missions were flown by SpaceX in 2012 (CRS SpX-1) and Orbital in 2014 (CRS Orb-1). In 2015, NASA extended CRS-1 to twenty flights for SpaceX and twelve flights for Orbital ATK.
A second phase of contracts (CRS-2) was solicited in 2014. CRS-2 contracts were awarded in January 2016 to Orbital ATK's continued use of Cygnus, Sierra Nevada Corporation's new Dream Chaser, and SpaceX's new Dragon 2, for cargo transport flights beginning in 2019 and expected to last through 2024.