Dream Chaser Tenacity Capability: Cargo transportation to and from the ISS. Flight Life: Multiple months Crew Capacity: 7 Payload Capacity: 5000 First operational Dream Chaser. History The Dream Chaser Cargo System is an American reusable lifting body spaceplane being developed by Sierra Nevada Corporation (SNC) Space Systems. Originally intended as a crewed vehicle, the Dream Chaser Space System, to be produced after the cargo variant is operational, is capable of carrying up to seven people and cargo to and from low Earth orbit. The cargo Dream Chaser will resupply the International Space Station with both pressurized and unpressurized cargo. It will be launched vertically on the Vulcan Centaur rocket, and autonomously land horizontally on conventional runways. Agency Sierra Nevada Corporation Type: Commercial Sierra Nevada Corporation (SNC) is an American, privately held aerospace and national security contractor specializing in aircraft modification and integration, high performance space components and systems, and commercial solutions. The company contracts with the United States Armed Forces, NASA and private spaceflight companies.