Development of the Commercial Crew Program began in the second round of the program, which was rescoped from a smaller technology development program for human spaceflight to a competitive development
Commercial Crew Program vehicles Starliner and Dragon
Construction of the Starliner pressure vessel was one of Boeing's CCDev 1 milestones
The construction of a Dragon crew mock-up was one of SpaceX's CCDev 2 milestones[disputed – discuss]
Flight testing of the Dream Chaser Engineering Test Article was one of Sierra Nevada's CCiCap milestones[disputed – discuss]
The Boeing Orbital Flight Test-2 was a repeat of Boeing's unsuccessful first Orbital Flight Test of its Starliner spacecraft. The uncrewed mission was part of NASA's Commercial Crew Program. OFT-2, us
Starliner approaches the ISS
Boeing CST-100 Starliner for OFT-2 Arrives at SLC-41
On May 18, 2022, CST-100 Starliner spacecraft and the ULA Atlas V rocket roll out from the Vertical Integration Facility to the launch pad