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The UN Wants to Curb Anti-Satellite Missile Tests


Russia’s invasion of Ukraine has also created challenges for space diplomacy. At the UN meeting, several diplomats expressed support for Ukrainians in their statements. Each time, the Russian delegate reminded the chair that comments are supposed to remain focused on the issues at hand. “Russia’s invasion of Ukraine is going differently now, and Russia has a different delegate. It is possible they’re trying to be more hardline and shut down conversation,” says Victoria Samson, the Washington office director for the Secure World Foundation, a nonpartisan think tank based in Broomfield, Colorado, and a speaker at the UN meeting.

Despite that clash in perspectives, the ongoing work to develop nonbinding norms—like agreeing to not destroy satellites in orbit—could provide a path to progress. “I think this opens up the door. We’re working on norms, rules, and principles right now, but we could have a legally binding instrument in the future,” Azcárate Ortega says.

To garner broad agreement, such norms focus on behaviors, not capabilities. For example, countries with ballistic missiles and missile-defense systems could develop the technology for a missile that could destroy spacecraft. But what matters to the UN process is not whether a nation has such technology at its command, but whether they actually use it in a way that creates dangerous orbiting debris.

While anti-satellite missiles are a major threat, delegates have raised concerns about other potential weapons, too. For example, space systems are vulnerable to electronic and cyberweapons, as the conflict in Ukraine has shown. The US, Russia, and China are researching the technology for lasers that could be fired from the ground and dazzle or damage a satellite’s sensors.

Furthermore, a dual-purpose technology, like a robotic arm for servicing spacecraft or removing junk from orbit, could in principle be repurposed as a weapon against a rival’s spacecraft. And dual-use spacecraft that provide communications or imaging during war, including government and commercial spacecraft used in the Ukraine conflict, can become military targets, too.

In such situations, these spacecraft can appear dangerous to those on the ground—depending on how they’re used. “That includes satellites that are used in weapons targeting: GPS, for example. If you are fighting a military that uses GPS for precision warfare, then those GPS satellites technically are a space threat to you,” says Bleddyn Bowen, a space policy researcher at the University of Leicester in the UK and speaker at the meeting about space-to-Earth threats.

To avoid misunderstandings that can escalate tensions, it’s important for nations to be clear about their plans for a certain spacecraft or technology so that other governments don’t assume the worst, says Jessica West, a senior researcher at the research institute Project Ploughshares based in Waterloo, Ontario, who attended the first UN meeting. “There are multiple solutions being proposed, and the first is transparency. Lots of states are making reference to the need to coordinate, the need to get consent if you’re going to engage in an activity that might have a repercussion on another object,” she says.

But international diplomats are surely tired after many back-to-back arms control meetings this year, West says. These include the June meeting in Vienna on the Treaty on the Prohibition of Nuclear Weapons, and the August review conference in New York on the Nuclear Non-Proliferation Treaty, which ended in failure when Russia opposed the final document.

Nevertheless, the UN’s space threat meeting will set the stage for the next one in January, and could provide momentum for nailing down solutions to other longstanding issues, Bowen suggests, like creating clear rules for managing space traffic, setting up keep-out zones near critical spacecraft, and ensuring that nations are more transparent—and prompt—when submitting information to the UN’s record of objects launched into space. “These discussions are still very much about identifying common problems, so solutions are a long way off,” he says. “These things have been spoken about for a long time. I’m ready to see some detail. I’m sick of hearing the mantra: ‘We need norms.’ Yeah, well, get on with it then.”



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