Ukraine is urgently pressing Elon Musk’s SpaceX to reverse new restrictions on its Starshield satellite service that Kyiv warns could hamper its ability to intercept Russian attack drones and conduct other military operations, a source familiar with the situation told Fox News Digital.

The restrictions were imposed without advance warning despite Ukraine relying on the service under arrangements contracted through the U.S. government meant to last until May 15, 2027, according to the source.

Ukrainian forces discovered the change overnight after experiencing connectivity problems and contacting SpaceX customer support.

They were told Starshield service would be restricted on platforms traveling at speeds of 100 miles per hour or higher, the source said.

RUSSIA MAY BE USING HIDDEN 'LUNCHBOX-SIZE' DRONE DEVICES TO COUNTER UKRAINE DEFENSES: EXPERT Serhii Beskrestnov, an adviser to Ukrainian President Volodymyr Zelenskyy on defense technology, warned that the change could particularly hamper Ukraine’s efforts to intercept Russia’s newer, jet-powered Shahed attack drones, saying it threatened "one of our few chances to defend the country" against them.

Ukrainian forces have also begun documenting effects on the battlefield. Ukraine’s 7th Rapid Response Corps said one unmanned systems unit on the Huliaipole front had already been forced to cancel missions because of connectivity problems. The unit reported interruptions even while drones were traveling below the stated 100 mph threshold.

Starshield is SpaceX's national security satellite service, based on technology developed for the company's better-known Starlink network.

The change could affect Ukrainian drones, aircraft and helicopters that rely on Starshield connectivity while moving at high speeds, including drones used to intercept Russian Shahed attacks. Ukrainian units are already reporting performance problems at speeds below the stated threshold, according to the source. UKRAINE SEEKS MORE US PATRIOT INTERCEPTORS AS BOMB SHELTER PROBE DEEPENS Ukraine has contacted SpaceX seeking an explanation for the restrictions and asking the company to restore its previous service capabilities, the source familiar with the move told Fox News Digital.

They said Ukraine communicated to Musk's company that the restriction had not previously applied to its terminals and was creating significant operational problems for Ukrainian forces in its continued war with aggressor Russia.

Kyiv also noted that its current service arrangements, contracted through the U.S. government until May 15, 2027, cover land-based mobile and fixed uses, including mobile platforms, according to the source.

SpaceX had not responded to Ukraine’s request as of Wednesday morning, the source said. PENTAGON CONSOLIDATES DRONE OVERSIGHT AS TRUMP ADMINISTRATION PUSHES RAPID UNMANNED WARFARE EXPANSION Polish Foreign Minister Radislaw Sikorski tore into Musk over the restrictions.

"Hey @elonmusk, big man, are you playing politics with your products again? As your European customers, wea are watching you," he wrote on Poland pays for more than 2,900 Starlink terminals operating in Ukraine.

Sikorski and Musk clashed last year over Ukraine’s dependence on Starlink, with Musk telling Sikorski, "Be quiet, small man." Fox News Digital has reached out to the Pentagon, White House and SpaceX for details. There’s been no public confirmation that Musk personally ordered the restrictions.

The Pentagon, through Space Force, contracts with SpaceX for Starshield services, giving the department a direct role in administering the government’s agreements with the company. But the existence of a Pentagon contract does not establish whether the military or SpaceX has authority over specific operational restrictions, including the new speed limit.