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Ukraine says sudden Starlink speed limits disrupted key drone missions

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Ukraine says sudden Starlink speed limits disrupted key drone missions

On a Wednesday morning, sources in Ukraine's defense ministry and a top presidential advisor said the country's access to Starlink had been suddenly disrupted for unknown reasons, interfering with military operations. The account comes from Business Insider.

Serhii Beskrestnov, a top advisor to President Volodymyr Zelenskyy, said in a social media post that SpaceX had put speed limits on Starlink terminals overnight. He said the restriction throttles Starshield, the company's dedicated satellite network for military services, at speeds above 100 miles per hour, or roughly 161 kilometers per hour.

Sources in the defense ministry confirmed the disruption to Business Insider. They said SpaceX had restricted Starshield operations without warning the military, and that some units lost connection when drones reached speeds as low as 45 mph. They said the disruption complicated military operations, particularly drone missions: mid-range strikes, front-line logistics and air defense intercepts, which the sources described as some of Ukraine's most important drone missions. Because Starlink does not work inside Russia, Business Insider notes the disruption is limited to drone operations within Ukrainian and Russian-occupied territory.

Later on Wednesday the defense ministry reported that SpaceX continues to enforce a speed limit of 161 km/h, though restrictions were significantly tighter earlier in the day. Communication quality has since improved at speeds up to 160 km/h. Ukraine says it is in contact with the US, SpaceX and NATO partners and is working to install backup communication channels.

Elon Musk responded on social media to concerns, and thanks for partial restoration, from former Ukrainian defense minister Mykhailo Fedorov. He wrote that "Starshield systems are owned and controlled by the US government," and that "Any limits on speed or usage are decided by the US military and ultimately POTUS." He added that Starlink is a commercial service owned and controlled by SpaceX, and that its usage is limited to civilian or defensive activities and cannot be used for offensive military action, as doing so would be inappropriate for a commercial company.

Business Insider frames the episode against Ukraine's reliance on the service. Kyiv uses Starlink for battlefield communications and in drone warfare; drones with Starlink dishes can be controlled remotely by pilots hundreds of miles away and adapted to new targets mid-mission. The article recalls that in 2023 Musk said he refused a Ukrainian military request to activate Starlink for an assault on Crimea, and that Reuters reported last year that SpaceX jeopardized a 2022 Ukrainian counteroffensive by cutting Starlink access to front-line troops. More recently, in February, SpaceX clamped down on Russian forces' use of Starlink terminals in Ukraine after Ukraine's then-defense minister made a personal appeal to Musk.

The political backdrop: on Saturday Musk posted on X that Zelenskyy had "gone too far" with his strikes on Russian refineries. The disruption also follows Russian ballistic missile attacks on Kyiv on Monday and Tuesday nights; Ukrainian officials said international partners gave no advance warning of the launches in either case, breaking from standard practice. Asked before Tuesday's attack whether the US would cut intelligence sharing with Ukraine over its strikes on Russian energy sites, President Donald Trump said Washington continued to share it.

Beskrestnov suggested the disruption could be linked to tensions between the US and Ukraine. He wrote on Telegram, per a translation of his statement: "It is clear that this action is not coincidental and is related to the current political situation." Business Insider states that the cause remains unclear.

Key facts

  • Ukrainian defense ministry sources and presidential advisor Serhii Beskrestnov say a Starshield speed limit disrupted drone operations, including mid-range strikes, front-line logistics and air defense intercepts.
  • Beskrestnov put the throttling threshold at above 100 mph (about 161 km/h); defense ministry sources said some units lost connection at speeds as low as 45 mph.
  • Later on Wednesday the ministry said a 161 km/h limit was still enforced, though communication quality had improved at speeds up to 160 km/h.
  • Musk said Starshield is owned and controlled by the US government and that any limits are decided by the US military and ultimately POTUS.
  • The cause is unclear; Beskrestnov suggested a link to US-Ukraine tensions, and Ukraine says it is working on backup communication channels.

Why it matters

Starlink is a core battlefield tool for Ukraine. Kyiv uses it for communications and for drone warfare, where remotely piloted drones with Starlink dishes can be redirected mid-mission. A speed cap on the military network hits the very missions the ministry calls among its most important: mid-range strikes, front-line logistics and air defense intercepts. The episode also shows how far Ukraine depends on Musk and SpaceX, a point Business Insider ties to earlier cases in 2022, 2023 and February.

Who it affects

Ukrainian military units flying drones over Ukrainian and Russian-occupied territory, where Starlink works. Business Insider says it does not work inside Russia, so the disruption is limited to those areas. It also touches SpaceX and the US government, whom Musk names as the party that sets Starshield limits, and the US, NATO partners and SpaceX, with whom Ukraine says it is in contact.

How to use it

This is a news report, not a product. For readers following the war or satellite connectivity, the thing to track is whether the 161 km/h limit stays and whether Ukraine's backup communication channels arrive; the source gives no timescale for them. Note the distinction Musk draws: Starshield is government-controlled, while Starlink is a commercial service limited to civilian or defensive use.

How solid is it

The disruption is confirmed by unnamed defense ministry sources speaking to Business Insider and by Beskrestnov in a social media post. The two speed figures differ and are not reconciled: Beskrestnov gives above 100 mph (about 161 km/h), while ministry sources cite connection loss as low as 45 mph. The ministry later said a 161 km/h limit continues. SpaceX has not confirmed in this account that it imposed this specific limit; Musk says only that Starshield limits are decided by the US military and ultimately POTUS. The cause is stated to be unclear.

Risks and caveats

Beskrestnov's suggestion that the move is tied to US-Ukraine tensions is his inference, not an established finding. The source gives no count of units or drones affected or missions lost. Do not read the Musk criticism of Zelenskyy or the missing warnings before the Kyiv missile attacks as proven causes; the article places them as context. Whether the limits have been fully lifted is not stated; the ministry says a 161 km/h limit remains.

“Starshield systems are owned and controlled by the US government.”

— Elon Musk, responding on social media, as reported by Business Insider