Northrop Grumman Spacecraft Reboosts ISS for the First Time

For the first time, a private spacecraft has pushed the International Space Station into a higher orbit without help from a Russian vehicle.

Jeremy Kariuki

Tuesday, June 28, 2022 at 01:32 PM ET

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The International Space Station as photographed by Expedition 56 crew members from a Soyuz spacecraft after undocking in 2018. [Courtesy: NASA]

Key Takeaways:

Northrop Grumman's Cygnus spacecraft successfully reboosted the International Space Station, marking the first time a private, non-Russian vehicle performed this critical maneuver.
This event reduces NASA's dependency on Russian Progress vehicles for maintaining the ISS orbit, a capability previously exclusive to Russia, occurring amidst ongoing geopolitical tensions.
While Cygnus lessens reliance for reboosts, complete operational independence from Russia for the entire ISS is challenging due to its integrated design, though the station is set for retirement by 2030.

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For the first time, a private spacecraft has pushed the International Space Station into a higher orbit without help from a Russian vehicle. Northrop Grumman’s Cygnus uncrewed resupply spacecraft performed the ISS reboost Saturday, before completing its four-month mission on Tuesday.

Over extended periods of time, the ISS–which orbits about 250 miles above Earth–drops slightly towards the atmosphere. To avoid an untimely decommission, the station undergoes periodic boosts from visiting spacecraft—namely, Russia’s Progress. That is, until now.