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Escalation and Deterrence in the Second Space Age
On October 4, 1957, the Soviet Union launched Sputnik 1, the first human-made object to orbit the Earth. Precisely 60 years later, space-faring nations face a much different space environment; one...
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Bringing the Air Force into its Centennial
This transcript has been lightly edited. The full transcript, including an introduction by CSIS President and CEO John Hamre and a moderated discussion with Aerospace Security Director Todd Harrison,...
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Popular Orbits 101
Although the space beyond Earth’s atmosphere is vast, human-made satellites are typically located in one of three popular orbital regimes: low Earth orbit (LEO), medium Earth orbit (MEO), and...
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Arctic Circle GPS Jamming
This data repository accompanies Space Threat Assessment 2019, a featured report from the CSIS Aerospace Security Project. Both military and civilian entities make regular use of satellite-enabled...
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What the FCC Ligado Approval Means for U.S. Military Systems
What was this approval? On April 20, 2020, the Federal Communications Commission (FCC) approved plans submitted by Ligado Networks LLC for a new 5G broadband network in the L-band portion of the...
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