Uncrewed Resupply Spacecraft
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Cargo spacecraft are
robotic spacecraft A robotic spacecraft is an uncrewed spacecraft, usually under telerobotic control. A robotic spacecraft designed to make scientific research measurements is often called a space probe. Many space missions are more suited to telerobotic rather t ...
that are designed to carry
cargo Cargo consists of bulk goods conveyed by water, air, or land. In economics, freight is cargo that is transported at a freight rate for commercial gain. ''Cargo'' was originally a shipload but now covers all types of freight, including trans ...
, possibly to support
space station A space station is a spacecraft capable of supporting a human crew in orbit for an extended period of time, and is therefore a type of space habitat. It lacks major propulsion or landing systems. An orbital station or an orbital space station i ...
s' operation by transporting food, propellant and other supplies. This is different from a
space probe A space probe is an artificial satellite that travels through space to collect scientific data. A space probe may orbit Earth; approach the Moon; travel through interplanetary space; flyby, orbit, or land or fly on other planetary bodies; or ent ...
, whose missions are to conduct scientific investigations. Automated cargo spacecraft have been used since 1978 and have serviced
Salyut 6 Salyut 6 (russian: Салют-6; lit. Salute 6), DOS-5, was a Soviet orbital space station, the eighth station of the Salyut programme. It was launched on 29 September 1977 by a Proton rocket. Salyut 6 was the first space station to receiv ...
,
Salyut 7 Salyut 7 (russian: Салют-7; en, Salute 7) (a.k.a. DOS-6, short for Durable Orbital Station) was a space station in low Earth orbit from April 1982 to February 1991. It was first crewed in May 1982 with two crew via Soyuz T-5, and last vi ...
,
Mir ''Mir'' (russian: Мир, ; ) was a space station that operated in low Earth orbit from 1986 to 2001, operated by the Soviet Union and later by Russia. ''Mir'' was the first modular space station and was assembled in orbit from 1986 to&n ...
, 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 ...
and Tiangong space station.


Spacecraft


Current spacecraft

* the Russian
Progress spacecraft The Progress (russian: Прогресс) is a Russian expendable cargo spacecraft. Its purpose is to deliver the supplies needed to sustain a human presence in orbit. While it does not carry a crew, it can be boarded by astronauts when docked t ...
—developed by
Russian Federal Space Agency The State Space Corporation "Roscosmos" (russian: Государственная корпорация по космической деятельности «Роскосмос»), commonly known simply as Roscosmos (russian: Роскосмос) ...
* the American Dragon 2 spacecraft—developed under contract from
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 ...
by
SpaceX Space Exploration Technologies Corp. (SpaceX) is an American spacecraft manufacturer, launcher, and a satellite communications corporation headquartered in Hawthorne, California. It was founded in 2002 by Elon Musk with the stated goal of ...
, a
private spaceflight Private spaceflight is spaceflight or the development of spaceflight technology that is conducted and paid for by an entity other than a government agency. In the early decades of the Space Age, the government space agencies of the Soviet Unio ...
company, the only reusable cargo spacecraft * the American
Cygnus spacecraft Cygnus is an expendable American cargo spacecraft developed by Orbital Sciences Corporation and now manufactured and launched by Northrop Grumman Space Systems as part of NASA's Commercial Resupply Services (CRS) program. It is launched by North ...
—developed under contract from NASA by
Northrop Grumman Innovation Systems Northrop Grumman Innovation Systems (NGIS) was a sector (business segment) of Northrop Grumman from 2018 through 2019. It was formed from Orbital ATK Inc. a company which resulted from the merger of Orbital Sciences Corporation and parts of Alli ...
, a private spaceflight company * the Chinese Tianzhou spacecraft—developed by
China Aerospace Science and Technology Corporation The China Aerospace Science and Technology Corporation, or CASC, is the main contractor for the Chinese space program. It is state-owned and has subsidiaries which design, develop and manufacture a range of spacecraft, launch vehicles, strategic ...


Defunct or retired projects

*the Soviet optionally-crewed
TKS spacecraft The TKS spacecraft (russian: Транспортный корабль снабжения, , ''Transport Supply Spacecraft'', GRAU index 11F72) was a Soviet spacecraft conceived in the late 1960s for resupply flights to the military Almaz space s ...
* the European
Automated Transfer Vehicle The Automated Transfer Vehicle, originally Ariane Transfer Vehicle or ATV, was an expendable cargo spacecraft developed by the European Space Agency (ESA), used for space cargo transport in 2008–2015. The ATV design was launched to orbit fiv ...
—developed by the
European Space Agency , owners = , headquarters = Paris, Île-de-France, France , coordinates = , spaceport = Guiana Space Centre , seal = File:ESA emblem seal.png , seal_size = 130px , image = Views in the Main Control Room (1205 ...
. The last vehicle, ''Georges Lemaître'' ATV, completed its mission in February, 2015. * the Japanese H-II Transfer Vehicle—developed by the
Japan Aerospace Exploration Agency The is the Japanese national air and space agency. Through the merger of three previously independent organizations, JAXA was formed on 1 October 2003. JAXA is responsible for research, technology development and launch of satellites into orb ...
* the American
SpaceX Dragon American private space transportation company SpaceX has developed and produced several spacecraft named Dragon. The first family member, now referred to as Dragon 1, flew 23 cargo missions to the ISS between 2010 and 2020 before being retired ...
—developed under contract from
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 ...
by
SpaceX Space Exploration Technologies Corp. (SpaceX) is an American spacecraft manufacturer, launcher, and a satellite communications corporation headquartered in Hawthorne, California. It was founded in 2002 by Elon Musk with the stated goal of ...
, a
private spaceflight Private spaceflight is spaceflight or the development of spaceflight technology that is conducted and paid for by an entity other than a government agency. In the early decades of the Space Age, the government space agencies of the Soviet Unio ...
company was retired after CRS-20 that launched March 2020.


Spacecraft in development

* The
SpaceX Starship Starship is a Fully-reusable orbital launch vehicle, fully reusable, super heavy-lift launch vehicle under development by SpaceX, an American aerospace company. With more than twice the thrust of the Saturn V, it is designed to be the most powe ...
is planned to be a spacecraft launched as the
second stage A multistage rocket or step rocket is a launch vehicle that uses two or more rocket ''stages'', each of which contains its own engines and propellant. A ''tandem'' or ''serial'' stage is mounted on top of another stage; a ''parallel'' stage i ...
of a
reusable launch vehicle A reusable launch vehicle have parts that can be recovered and reflown, while carrying payloads from the surface to outer space. Rocket stages are the most common launch vehicle parts aimed for reuse. Smaller parts such as rocket engines and boost ...
. The concept is under development by
SpaceX Space Exploration Technologies Corp. (SpaceX) is an American spacecraft manufacturer, launcher, and a satellite communications corporation headquartered in Hawthorne, California. It was founded in 2002 by Elon Musk with the stated goal of ...
, as a
private spaceflight Private spaceflight is spaceflight or the development of spaceflight technology that is conducted and paid for by an entity other than a government agency. In the early decades of the Space Age, the government space agencies of the Soviet Unio ...
project. It is being designed to be a long-duration cargo- and
passenger A passenger (also abbreviated as pax) is a person who travels in a vehicle, but does not bear any responsibility for the tasks required for that vehicle to arrive at its destination or otherwise operate the vehicle, and is not a steward. The ...
-carrying spacecraft. While it will be tested on its own initially, it will be used on orbital launches with an additional
booster Booster may refer to: Amusement rides * Booster (Fabbri ride), a pendulum ride * Booster (HUSS ride), an evolution of the Breakdance ride * Booster (KMG ride), a pendulum ride Arts, entertainment, and media Fictional characters * Booster, a cha ...
stage, the Super Heavy, where Starship would serve as the second stage on a
two-stage-to-orbit A two-stage-to-orbit (TSTO) or two-stage rocket launch vehicle is a spacecraft in which two distinct stages provide propulsion consecutively in order to achieve orbital velocity. It is intermediate between a three-stage-to-orbit launcher and a hyp ...
launch vehicle. The combination of spacecraft and booster is called Starship as well. * In January 2016, NASA announced that
Sierra Nevada Corporation Sierra Nevada Corporation (SNC) is an American, privately held aerospace and national security contractor specializing in aircraft modification and integration, space components and systems, and related technology products for cybersecurity and ...
's
Dream Chaser Dream Chaser 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 is set to be produced after the cargo varian ...
had been awarded one of the contracts under the second round of the agency's
Commercial Resupply Services 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 CRS contracts were signed in 2008 and awarde ...
contracts. NASA committed to purchasing a minimum of six resupply missions to the ISS. * The Earth Return Orbiter has been called the first "interplanetary cargo ship" due to its capacity as
sample return mission A sample-return mission is a spacecraft mission to collect and return samples from an extraterrestrial location to Earth for analysis. Sample-return missions may bring back merely atoms and molecules or a deposit of complex compounds such as lo ...
from Mars. *
Argo In Greek mythology the ''Argo'' (; in Greek: ) was a ship built with the help of the gods that Jason and the Argonauts sailed from Iolcos to Colchis to retrieve the Golden Fleece. The ship has gone on to be used as a motif in a variety of sour ...
reusable cargo spacecraft is the first spacecraft being developed in Russia by a private company, with first flight expected in 2024.


Canceled projects

* The American private-sector Kistler K-1 from
Rocketplane Kistler Rocketplane Kistler (RpK) was a reusable launch system firm originally based in Oklahoma. It was formed in 2006 after Rocketplane Limited, Inc. acquired Kistler Aerospace. NASA announced that Rocketplane Kistler had been chosen to develop crew an ...
saw its contract with NASA terminated in October 2007 when the company failed to meet objectives. The contract was re-awarded to Orbital Sciences Corporation.


Example Cargo

* Experimentation Equipment ** Phase Change Heat Exchanger ***
Heat exchanger A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contac ...
s are devices used to maintain critical temperatures inside spacecraft. Heat exchangers may remedy the problem of not being able to regulate temperature in space because it has no atmosphere. The phase change heat exchanger has two modes of operation. In the first mode, which uses a freeze cycle, heat exchange fluid is given to the upper flow passageway, which freezes the
phase change material A phase change material (PCM) is a substance which releases/absorbs sufficient energy at phase transition to provide useful heat or cooling. Generally the transition will be from one of the first two fundamental states of matter - solid and liq ...
at the top. The liquid phase change material at the top is then displaced by the newly-formed phase change material falling to the bottom. In the second mode, which uses a melt cycle, heat exchange fluid is given to the lower passageway to melt the phase change material at the bottom, causing the newly-formed liquid phase change material to be displaced towards the top. ** Nanotube Solar Cell *** A nanotube solar cell is a solar cell designed by the aerospace company
Nanoracks Nanoracks LLC is a private in-space services companywhich builds space hardware and in-space repurposing tools.The company also facilitates experiments and launches of CubeSats to Low Earth Orbit. Nanoracks's main office is in Houston, Tex ...
that absorbs sunlight more efficiently than traditional
solar cell A solar cell, or photovoltaic cell, is an electronic device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.
s. The Nanotube Solar Cell is three-dimensional, which allows it to have access to the Sun's light in space at every angle while being stationary itself. It is composed of 3-D, carbon nanotube-based
photovoltaic Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commercially us ...
devices and copper-zinc-tin-sulfide photo absorbers. They can be implemented into a space station's
solar panels A solar cell panel, solar electric panel, photo-voltaic (PV) module, PV panel or solar panel is an assembly of photovoltaic solar cells mounted in a (usually rectangular) frame, and a neatly organised collection of PV panels is called a phot ...
to allow for higher power production and usage efficiency. The efficiency of Nanotube Solar Cells also allow for the station to have higher reserves of power to run numerous experiments. ** Biomolecule Sequencer *** A biomolecule sequencer is a tool that can be used by crew members to sequence the DNA of
microorganism A microorganism, or microbe,, ''mikros'', "small") and ''organism'' from the el, ὀργανισμός, ''organismós'', "organism"). It is usually written as a single word but is sometimes hyphenated (''micro-organism''), especially in olde ...
s outside of Earth. Before the production of the biomolecule sequencer, DNA sequencing was limited to Earth because of the equipment and materials required. The new technology eliminates this restriction, with the added benefit of being able to be used in space. The device can also be used to test the DNA of crew members to monitor their health and bodily reactions to
space station A space station is a spacecraft capable of supporting a human crew in orbit for an extended period of time, and is therefore a type of space habitat. It lacks major propulsion or landing systems. An orbital station or an orbital space station i ...
projects. In the event that a research study needs to be performed on a space station, the biomolecule sequencer can be used to gather needed biological data. *Essential Equipment ** Compressed Air ***
Compressed air Compressed air is air kept under a pressure that is greater than atmospheric pressure. Compressed air is an important medium for transfer of energy in industrial processes, and is used for power tools such as air hammers, drills, wrenches, and o ...
is used by
astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft. Although generally r ...
s to manage their air supply. It is also utilized for research experiments, and to power boosters for both the
ISS 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 (J ...
and other space vehicles. Compressed air equipment sent to the ISS must be very efficient and low power due to the nature of space to break up fluids.


See also

*
Comparison of space station cargo vehicles Comparison or comparing is the act of evaluating two or more things by determining the relevant, comparable characteristics of each thing, and then determining which characteristics of each are similar to the other, which are different, and t ...
*
Space transport Spaceflight (or space flight) is an application of astronautics to fly spacecraft into or through outer space, either human spaceflight, with or uncrewed spaceflight, without humans on board. Most spaceflight is uncrewed and conducted mainly w ...
*
Uncrewed spaceflights to the International Space Station Uncrewed spaceflights to the International Space Station (ISS) are made primarily to deliver cargo, however several Russian modules have also docked to the outpost following uncrewed launches. Resupply missions typically use the Russian Progress s ...
*
Sample return mission A sample-return mission is a spacecraft mission to collect and return samples from an extraterrestrial location to Earth for analysis. Sample-return missions may bring back merely atoms and molecules or a deposit of complex compounds such as lo ...


References

{{Authority control Soviet inventions Russian inventions Uncrewed spacecraft