satellites


24 Space-Based Missile Defense Satellites Cannot Defend Against ICBMs

, co-director and senior scientist

UPDATE: In September 2018, UCS released an animated feature and video that explains how space-based missile defense works. Check it out here.

Articles citing a classified 2011 report by the Institute for Defense Analysis (IDA) have mistakenly suggested the report finds that a constellation of only 24 satellites can be used for space-based boost-phase missile defense. Read More

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More Comments on the IDA Boost-Phase Missile Defense Study

, co-director and senior scientist

Part 1 of this post discusses one aspect of the 2011 letter from Missile Defense Agency (MDA) to then-Senator Kyl about the IDA study of space-based missile defense. The letter raises several additional issues, which I comment on here. Read more >

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Questions about a US Space Force

, senior scientist

This week, President Trump verbally directed General Dunford, the Chairman of the Joint Chiefs of Staff, “to begin the process necessary to establish a Space Force as the sixth branch of the armed forces.”

The term “Space Force” really got everyone’s attention. Obviously, everyone wants to know what the uniform would be. And the whole idea is built for memes.

What’s it all about? Let me respond to three different kinds of questions I’ve been hearing about this. Read more >

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Lost in Space? The Zuma Satellite

, senior scientist

Many people awaited last Sunday’s Falcon 9 launch from Cape Canaveral of a highly classified US payload. The launch had been delayed for weeks, speculation as to the satellite’s purpose was rampant, and successfully delivering national security satellites to orbit is an important part of SpaceX’s business.

The launch, however, remains shrouded in mystery. Read more >

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New Update of the UCS Satellite Database

, senior scientist

A newly updated version of the UCS satellite database was released this fall, including launches through the end of the summer. The total number of operating satellites is now 1,738. Read more >

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