The Exploration Gateway PlatformISS Exploration gateway Concept. Rafferty. Nov 2011
/ref> was a design concept proposed by

Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and product ...

in December 2011 to drastically reduce the cost of

Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

, near Earth asteroids (NEAs), or

Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury (planet), Mercury. In the English language, Mars is named for the Mars (mythology), Roman god of war. Mars is a terr ...

missions by using components already designed to construct a refueling depot and servicing station located at one of the Earth–Moon

Lagrange point In celestial mechanics, the Lagrange points (; also Lagrangian points or libration points) are points of equilibrium for small-mass objects under the influence of two massive orbiting bodies. Mathematically, this involves the solution of th ...

s, L1 or L2.Exploration Gateway Platform hosting Reusable Lunar Lander proposed. Bergin. Dec 2011 , NASASpaceFlight.com
/ref> The system claims its cost savings based on an ability to be reused for multiple missions such as a launch platform for deep space exploration, robotic relay station for moon rovers, telescope servicing and a deep space practice platform located outside the Earth's protective radiation belts. The platform would be constructed at the

International Space Station The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA ...

(ISS) for testing before being relocated to EM-L1 or EM-L2 via electric or chemical propulsion rockets.

Construction

The Platform would consist of parts left over from the ISS program. Parts under consideration were

Node 4 Node 4, also known as the Docking Hub System (DHS), was a proposed module of the International Space Station (ISS). In 2011 NASA was considering a 40-month design and development effort for Node 4 that would result in its launch in late 2013. No ...

to form the main connection point, parts from the

Space Shuttle The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program na ...

Orbital Maneuvering System In spaceflight, an orbital maneuver (otherwise known as a burn) is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far from Earth (for example those in orbits around the Sun) an orbital maneuver is called a ' ...

(OMS) and Orbiter External Airlock would be combined to form a utility module for maneuvering, orientation and

Extra-vehicular activity Extravehicular activity (EVA) is any activity done by an astronaut in outer space outside a spacecraft. In the absence of a breathable Earthlike atmosphere, the astronaut is completely reliant on a space suit for environmental support. EVA inc ...

(EVA), a smaller version of the Canadian Arm to help with logistic and station-keeping,

TransHab TransHab was a concept pursued by NASA in the 1990s to develop the technology for expandable habitats inflated by air in space. Specifically, TransHab was intended as a replacement for the already existing rigid International Space Station crew H ...

and/or possible inclusion of a ' Zvezda 2' or a Bigelow Inflatable station for life support systems, crew accommodations, storage, and laboratory space. Most components would be lifted into orbit using currently available EELV or commercial launchers. A reusable lander would be positioned at the platform for Moon landings and refueled using

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...

's new SLS heavy lift vehicle.

References

{{Space stations Proposed space stations

Construction

See also

References