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The four currently active space station cargo vehicles. Clockwise from top left: Progress, Cargo Dragon 2, Cygnus, Tianzhou. A number of different spacecraft have been used to carry cargo to and from space stations .
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. [ 1 ] 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 ...
While significant focus of space logistics is on upmass, or payload mass carried up to orbit from Earth, space station operations also have significant downmass requirements. Returning cargo from low Earth orbit to Earth is known as transporting downmass , the total logistics payload mass that is returned from space to the surface of the Earth ...
Nuclear Ferry and Shuttle Orbiter docked to an Orbital Propellant Depot. The Space Transportation System (STS), also known internally to NASA as the Integrated Program Plan (IPP), [1] was a proposed system of reusable crewed space vehicles envisioned in 1969 to support extended operations beyond the Apollo program (NASA appropriated the name for its Space Shuttle Program, the only component of ...
Nautilus-X (Non-Atmospheric Universal Transport Intended for Lengthy United States Exploration) is a rotating wheel space station concept developed by engineers Mark Holderman and Edward Henderson of the Technology Applications Assessment Team of NASA.
The LOX downcomer extends into the LOX tank, with a small expanded portion of unknown purpose. [30] A camera is located on the walls of the tank, near the flight termination system. [23] Like the methane tank, the oxygen tank also has three baffles to prevent sloshing. [28] The oxygen tank terminates with the thrust structure of the vehicle. [33]
The Personal Preference Kit (PPK) is a container used to carry the personal items of astronauts during the Gemini, Apollo, Space Shuttle, and International Space Station programs. Items that astronauts choose to carry into space are approved by NASA management and stored in PPKs. Information on the contents of kits are usually kept private by ...
SpaceX CRS-21, also known as SpX-21, was a Commercial Resupply Service mission to the International Space Station which launched on 6 December 2020. [1] [2] The mission was contracted by NASA and was flown by SpaceX using a Cargo Dragon 2. This was the first flight for SpaceX under NASA's CRS Phase 2 contract awarded in January 2016.