Posté par: igor51 le octobre 23, 2015, 13:00:17
Now that the US Navy is bringing back celestial navigation, we might want to ask ourselves what other technologies we depend on without a backup, and what would happen to us if those technologies failed.
Source: US Navy renews training in celestial navigation over GPS hack fears (http://feedproxy.google.com/~r/nakedsecurity/~3/QoTX9VQw5kM/)