An updated version of the UCS Satellite Database has been posted. Including launches and deactivations through November 30, 2018, the Database includes information on about 1,957 active satellites. That is 71 more than our previous release last July. Read more >
August 10, 2018 7:41 AM EDT
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
August 10, 2018 7:40 AM EDT
June 22, 2018 11:56 AM EDT
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.”
What’s it all about? Let me respond to three different kinds of questions I’ve been hearing about this. Read more >
January 13, 2018 6:00 AM EDT
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 >