Space tug (English Wikipedia)

Kordina, Florian (October 30, 2022). "USSF-44 - Falcon Heavy". Everyday Astronaut. Archived from the original on June 5, 2023. Retrieved October 30, 2022.

exolaunch.com (Global: low place; English: low place)

"Exolaunch Introduces Eco Space Tug Program". April 12, 2021. Retrieved January 13, 2023.
"Reliant". Retrieved January 13, 2023.

exotrail.com (Global: low place; English: low place)

"SpaceVan - Fast and flexible constellation deployment services". Retrieved June 26, 2022.

fireflyspace.com (Global: low place; English: low place)

"Elytra".

flightglobal.com (Global: 223^rd place; English: 162^nd place)

Coppinger, Rob (November 1, 2005). "Lighter Kliper could make towed trip to ISS". Flight Global. Archived from the original on January 9, 2024. Retrieved July 26, 2014.

globenewswire.com (Global: 2,614^th place; English: 1,549^th place)

"D-Orbit Launches its Sixth ION Satellite Carrier Mission" (Press release). Fino Mornasco, Italy: D-Orbit. May 25, 2022. Archived from the original on April 23, 2023. Retrieved August 19, 2022 – via GlobeNewswire News Room.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Evans, Michael E.; Graham, Lee D. (December 1, 2020). "A Flexible Lunar Architecture for Exploration (FLARE) supporting NASA's Artemis Program". Acta Astronautica. 177: 351–372. Bibcode:2020AcAau.177..351E. doi:10.1016/j.actaastro.2020.07.032. PMC 7385728. PMID 32834186.

hathitrust.org (Global: 441^st place; English: 311^th place)

babel.hathitrust.org

Department of Defense appropriations for 1986, pt. 1, p. 242.

indiatimes.com (Global: 17^th place; English: 15^th place)

timesofindia.indiatimes.com

Kumar, Chethan (October 9, 2024). "Bengaluru firm Bellatrix's Orbital transfer vehicle to be integrated in Nsil launch missions". The Times of India. ISSN 0971-8257. Retrieved October 16, 2024.

economictimes.indiatimes.com

John, Nirmal (October 9, 2024). "Isro's commercial arm NSIL onboards Pushpak for faster, cheaper satellite placement". The Economic Times. ISSN 0013-0389. Retrieved October 16, 2024.

isro.org (Global: 9,983^rd place; English: 6,433^rd place)

"Annual Report" (PDF). Archived from the original (PDF) on February 25, 2014. Retrieved July 8, 2014.
"Outcome Budget 2010-2011" (PDF). Archived from the original (PDF) on October 13, 2011. Retrieved July 8, 2014.
"Outcome Budget of the Department of Space Government of India 2009-2010" (PDF). Archived from the original (PDF) on November 23, 2010. Retrieved July 8, 2014.

launcherspace.com (Global: low place; English: low place)

"Launcher Orbiter". Archived from the original on December 15, 2021. Retrieved November 20, 2021.

nasa.gov (Global: 75^th place; English: 83^rd place)

history.nasa.gov

"The Space Shuttle Decision: NASA's Search for a Reusable Space Vehicle". nasa.gov. Retrieved July 25, 2014. Because a rising tide lifts all boats, NASA's flight rates during the 1960s had been buoyed powerfully by the agency's generous budgets. The OMB had no intention of granting such largesse during the 1970s.

nasa.gov

"Human Landing System, Option A Source Selection Statement" (PDF). NASA. Retrieved May 12, 2021.

nih.gov (Global: 4^th place; English: 4^th place)

ncbi.nlm.nih.gov

Evans, Michael E.; Graham, Lee D. (December 1, 2020). "A Flexible Lunar Architecture for Exploration (FLARE) supporting NASA's Artemis Program". Acta Astronautica. 177: 351–372. Bibcode:2020AcAau.177..351E. doi:10.1016/j.actaastro.2020.07.032. PMC 7385728. PMID 32834186.

pubmed.ncbi.nlm.nih.gov

Evans, Michael E.; Graham, Lee D. (December 1, 2020). "A Flexible Lunar Architecture for Exploration (FLARE) supporting NASA's Artemis Program". Acta Astronautica. 177: 351–372. Bibcode:2020AcAau.177..351E. doi:10.1016/j.actaastro.2020.07.032. PMC 7385728. PMID 32834186.

northropgrumman.com (Global: 7,411^th place; English: 5,111^th place)

news.northropgrumman.com

Cox, Vicki; Macdonald, Meghan (April 17, 2020). "Intelsat 901 Satellite Returns to Service Using Northrop Grumman's Mission Extension Vehicle". Northrop Grumman Newsroom (Press release). Northrop Grumman. Archived from the original on August 12, 2023. Retrieved May 20, 2020.

orbitfab.com (Global: low place; English: low place)

"Gas Stations in Space™". Retrieved January 14, 2023.

russianspaceweb.com (Global: 6,023^rd place; English: 4,666^th place)

Zak, Anatoly. Chabot, Alain (ed.). "Fregat space tug". RussianSpaceWeb.com. Archived from the original on January 9, 2024. Retrieved July 25, 2014.
Zak, Anatoly (February 9, 2010). "Parom orbital tug". RussianSpaceWeb. Archived from the original on December 2, 2023. Retrieved July 26, 2014.

satellitetoday.com (Global: low place; English: low place)

"Exotrail Unveils Orbital Transfer Vehicle, SpaceVan". April 12, 2022. Retrieved June 26, 2022.

sec.gov (Global: 572^nd place; English: 436^th place)

"Momentus to Become Public Through Merger with Stable Road Acquisition Corp". SEC. Archived from the original on December 21, 2022. Retrieved October 14, 2021.

skyrocket.de (Global: 4,664^th place; English: 3,842^nd place)

space.skyrocket.de

"Orbiter SN1, 2, 3, 4, 5". space.skyrocket.de. Retrieved August 22, 2025.
"GSLV". Space.skyrocket.de. Retrieved March 17, 2015.

skyrora.com (Global: low place; English: low place)

"Skyrora Space Tug". May 7, 2021.

space.com (Global: 936^th place; English: 713^th place)

Howell, Elizabeth (August 15, 2020). "Ariane 5 rocket launches robotic space tug into orbit alongside 2 communications satellites". Space.com. Archived from the original on September 21, 2023. Retrieved August 20, 2020.
Wall, Mike (September 10, 2020). "Space tug to test out robotic arm on 2022 demonstration mission". Space.com. Archived from the original on April 19, 2023. Retrieved November 27, 2020.

spaceflight.com (Global: low place; English: low place)

Sorensen, Jodi (August 6, 2018). "Spaceflight prepares historic launch of more than 70 spacecraft aboard SpaceX Falcon9" (Press release). Spaceflight Industries. Archived from the original on August 7, 2018. Retrieved August 6, 2018.

spaceflightnow.com (Global: 2,930^th place; English: 2,204^th place)

Clark, Stephen (January 3, 2023). "Live coverage: SpaceX counting down to first launch of 2023". Spaceflight Now. Archived from the original on June 6, 2023.

spacenews.com (Global: 1,876^th place; English: 1,225^th place)

Henry, Caleb (April 17, 2020). "Intelsat-901 satellite, with MEV-1 servicer attached, resumes service". SpaceNews.com. Retrieved May 20, 2020.{{cite news}}: CS1 maint: deprecated archival service (link)
"China's Shijian-21 towed dead satellite to a high graveyard orbit". January 27, 2022.{{cite news}}: CS1 maint: deprecated archival service (link)
Foust, Jeff (June 15, 2021). "Launcher to develop orbital transfer vehicle". SpaceNews. Retrieved November 20, 2021.{{cite news}}: CS1 maint: deprecated archival service (link)
Jeff Foust (March 13, 2015). "Lockheed Martin Pitches Reusable Tug for Space Station Resupply". Space News.
"ExoTrail wins contract to demonstrate orbital transfer for French agencies". October 11, 2022.
"Atomos Space secures funding to develop space tug business". January 12, 2022.
"Arianespace partners with Australian space tug startup". October 31, 2022.
"Space Tugs as a Service: In-orbit service providers are bracing for consolidation". SpaceNews.com. July 6, 2021.

spaceref.com (Global: 8,446^th place; English: 6,634^th place)

"NASA's New Launch Systems May Include the Return of the Space Tug". SpaceRef. August 7, 2005. Retrieved July 25, 2014.{{cite web}}: CS1 maint: deprecated archival service (link)

spacescout.info (Global: low place; English: low place)

B, Emily (August 18, 2025). "ESA Increases Mars Ambitions with Mars Transportation Infrastructure". Space Scout. Retrieved August 21, 2025.

thehindu.com (Global: 52^nd place; English: 35^th place)

Raj, N. Gopal (October 1, 2014). "Upgrading Indian rockets for future Mars missions". The Hindu. Thehindu.com. Archived from the original on April 28, 2023. Retrieved March 17, 2015.

web.archive.org (Global: 1^st place; English: 1^st place)

"Space Tug". Astronautix. Archived from the original on October 11, 2011. Retrieved July 25, 2014.
Zak, Anatoly. Chabot, Alain (ed.). "Fregat space tug". RussianSpaceWeb.com. Archived from the original on January 9, 2024. Retrieved July 25, 2014.
Cox, Vicki; Macdonald, Meghan (April 17, 2020). "Intelsat 901 Satellite Returns to Service Using Northrop Grumman's Mission Extension Vehicle". Northrop Grumman Newsroom (Press release). Northrop Grumman. Archived from the original on August 12, 2023. Retrieved May 20, 2020.
Howell, Elizabeth (August 15, 2020). "Ariane 5 rocket launches robotic space tug into orbit alongside 2 communications satellites". Space.com. Archived from the original on September 21, 2023. Retrieved August 20, 2020.
Wattles, Jackie (December 4, 2018). "SpaceX launched 64 satellites in record-breaking mission". CNN. Archived from the original on April 19, 2023.
Sorensen, Jodi (August 6, 2018). "Spaceflight prepares historic launch of more than 70 spacecraft aboard SpaceX Falcon9" (Press release). Spaceflight Industries. Archived from the original on August 7, 2018. Retrieved August 6, 2018.
"D-Orbit Launches its Sixth ION Satellite Carrier Mission" (Press release). Fino Mornasco, Italy: D-Orbit. May 25, 2022. Archived from the original on April 23, 2023. Retrieved August 19, 2022 – via GlobeNewswire News Room.
Kordina, Florian (October 30, 2022). "USSF-44 - Falcon Heavy". Everyday Astronaut. Archived from the original on June 5, 2023. Retrieved October 30, 2022.
Clark, Stephen (January 3, 2023). "Live coverage: SpaceX counting down to first launch of 2023". Spaceflight Now. Archived from the original on June 6, 2023.
Wall, Mike (September 10, 2020). "Space tug to test out robotic arm on 2022 demonstration mission". Space.com. Archived from the original on April 19, 2023. Retrieved November 27, 2020.
"Momentus to Become Public Through Merger with Stable Road Acquisition Corp". SEC. Archived from the original on December 21, 2022. Retrieved October 14, 2021.
"Launcher Orbiter". Archived from the original on December 15, 2021. Retrieved November 20, 2021.
Mangels, John (December 11, 2011). "Long-forgotten Shuttle/Centaur boosted Cleveland's NASA center into manned space program and controversy". Cleveland.com. Archived from the original on April 28, 2023. Retrieved July 25, 2014.
Portree, David S. F. (December 2013). "Linking Space Station & Mars". WIRED. Archived from the original on May 18, 2023. Retrieved July 25, 2014.
Zak, Anatoly (February 9, 2010). "Parom orbital tug". RussianSpaceWeb. Archived from the original on December 2, 2023. Retrieved July 26, 2014.
Coppinger, Rob (November 1, 2005). "Lighter Kliper could make towed trip to ISS". Flight Global. Archived from the original on January 9, 2024. Retrieved July 26, 2014.
Somanath, S. "ISRO's Current Launch Capabilities & Commercial Opportunities" (PDF). Archived from the original (PDF) on September 3, 2013. Retrieved July 8, 2014.
Raj, N. Gopal (October 1, 2014). "Upgrading Indian rockets for future Mars missions". The Hindu. Thehindu.com. Archived from the original on April 28, 2023. Retrieved March 17, 2015.
"Annual Report" (PDF). Archived from the original (PDF) on February 25, 2014. Retrieved July 8, 2014.
"Outcome Budget 2010-2011" (PDF). Archived from the original (PDF) on October 13, 2011. Retrieved July 8, 2014.
"Outcome Budget of the Department of Space Government of India 2009-2010" (PDF). Archived from the original (PDF) on November 23, 2010. Retrieved July 8, 2014.

wired.com (Global: 193^rd place; English: 152^nd place)

Portree, David S. F. (December 2013). "Linking Space Station & Mars". WIRED. Archived from the original on May 18, 2023. Retrieved July 25, 2014.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Leinster, Murray (1953). Space Tug. Shasta Publishers. OCLC 6570191.
Kumar, Chethan (October 9, 2024). "Bengaluru firm Bellatrix's Orbital transfer vehicle to be integrated in Nsil launch missions". The Times of India. ISSN 0971-8257. Retrieved October 16, 2024.
John, Nirmal (October 9, 2024). "Isro's commercial arm NSIL onboards Pushpak for faster, cheaper satellite placement". The Economic Times. ISSN 0013-0389. Retrieved October 16, 2024.

youtube.com (Global: 9^th place; English: 13^th place)

Airbus Moon Cruiser Concept, Airbus video, via YouTube, September 2019, accessed May 20, 2020.

Space tug (English Wikipedia)

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