Space Security

Space isn’t weaponized—yet. Our physicists and security experts weigh the risks of space-related security issues.

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Latest Space Security Posts

UCS Satellite Database Update: More than 2,200 Active Satellites

, senior scientist

We have updated the UCS Satellite Database, including launches through September 30, 2019. Lots of movement this time, with 209 satellites added and 53 removed for a total of 2,218 actively working satellites.

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Don’t Scapegoat China for Killing the INF Treaty. Ask it to Join.

, China project manager and senior analyst

September 23, 2016: Chinese UN Representative Liu Jieyi votes in favor of a UN Security Council resolution on the 20th anniversary of the signing of the Comprehensive Test Ban Treaty (CTBT) urging all parties to push for the treaty’s entry into force.

The Trump administration recently announced it intends to walk away from an important agreement that reduces the risk of nuclear war—the INF Treaty. US officials said concerns about China were an important factor in deciding to scrap a nuclear arms control pact intended to last in perpetuity. But there is no evidence the Trump administration consulted Chinese leaders about its plans to withdraw or the concerns that supposedly made it necessary. Read more >

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Sputnik Revisited

, China project manager and senior analyst

Fifty-nine years ago today, the Soviet Union launched Sputnik into orbit, setting off a panic in the United States that contributed to the evolution of a “space race” between the two superpowers.

Last week, Congress held a hearing on the question of whether the United States was losing a new space race with China. Unfortunately, the witnesses seemed more interested in re-creating the alarmism of the Sputnik era than in offering Congress an accurate picture of the Chinese space program. This raises doubts about the value of the hearing’s contribution to congressional perspectives on US-China relations in space. Read more >

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The United States, China, and Anti-Satellite Weapons

, China project manager and senior analyst

Many US observers believe anti-satellite (ASAT) attacks could be China’s trump card in a major military confrontation with the United States. But the reality may be exactly the opposite. The United States could have more to gain, and China more to lose, from taking the fight to outer space. A US presidential decision to pursue this advantage would make the United States, not China, the protagonist in a new space arms race that would undermine the security of both nations. Read more >

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Russian Rocket Body Seen as a Streak over Arizona

, former co-director

A fireball seen in the sky over the western U.S. got a lot of press attention today, with people wondering what it was and whether it was a threat.

The U.S. military, which tracks objects in space, said that it was caused by the reentry into the atmosphere of the empty stage of a Russian SL-4 rocket body, which apparently had been launched a day earlier. Read more >

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