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.
UCS Satellite Database Update: More than 2,200 Active Satellites
Laura Grego, senior scientist
December 19, 2019 6:09 PM EDT
Some pretty good work by Congress on missile defense this year
Laura Grego, senior scientist
September 18, 2019 12:30 PM EDT
Photo: Eric E Johnson/Creative Commons (Flickr)
The Congressional defense budget process is entering its conclusion, though battles remain. Despite little to show for it, the overall budget for missile defense continues to be robust. For example, the Senate appropriators met last week and added $1.2 billion above the Trump administration’s budget request for missile defense, including an additional $532 million for upgrades and six more boosters for the beleaguered Ground-based Midcourse Defense system, and added $222 million to fund program to replace the recently canceled Redesigned Kill Vehicle program. That is an unfortunate waste of tax dollars.
However, in other areas Congress—in particular the House—made a number of useful and positive corrections to the administration’s $9.4 billion missile defense budget request. The House also put several sensible new missile defense policies in place that deserve support. Read more >
Don’t Scapegoat China for Killing the INF Treaty. Ask it to Join.
Gregory Kulacki, China project manager and senior analyst
February 6, 2019 2:07 PM EDT
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 >
Record Number of Satellites in Orbit
Laura Grego, senior scientist
January 9, 2019 2:01 PM EDT
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 >
24 Space-Based Missile Defense Satellites Cannot Defend Against ICBMs
David Wright, co-director and senior scientist
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.
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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
