The use of stealth techniques and technologies to reduce the signatures of intelligence or military satellites a subject that seems to be properly classified, for the most part. But it has also left discernable traces in the public domain.
Those traces were assembled by Allen Thomson in his Stealth Satellite Sourcebook (pdf), which has been recently updated (148 pages, 7 MB PDF file).
See also “Stealth satellites: Cold War myth or operational reality?” by John Croft, C4ISR Journal, October 4, 2006.
Cities need to rapidly become compact, efficient, electrified, and nature‑rich urban ecosystems where we take better care of each other and avoid locking in more sprawl and fossil‑fuel dependence.
Hurricanes cause around 24 deaths per storm – but the longer-term consequences kill thousands more. With extreme weather events becoming ever-more common, there is a national and moral imperative to rethink not just who responds to disasters, but for how long and to what end.
The program invites teams of researchers and local government collaborators to propose innovative projects addressing real-world transportation, safety, equity, and resilience challenges using mobility data.
The Pentagon’s new report provides additional context and useful perspectives on events in China that took place over the past year.