Скачать или смотреть What happens if GPS was lost?

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0:00 The US Navy ship that sailed 5 days without GPS
1:54 How do submarines navigate underwater without GPS?
2:59 Why Navy sailors must learn celestial navigation
3:31 The Korean airline tragedy that made GPS accessible to civilians
4:30 Why did the United States intentionally make GPS accuracy worse? (Selective Availability)
6:38 How does GPS work? (measuring distance using time)
8:41 How the the United States Coast Guard make GPS more accurate?
10:32 Who manages the GPS today?
11:45 How much did the GPS cost to set up and maintain?
12:38 How does GPS jamming and spoofing work?
14:06 What happens if GPS service goes down?


Music:
Truce No More - Dream Cave
Outer Space - Kikoru
One Last Drama - Philip Ayers
Hope Won't Fail Me - Blackout Memories
Composite Key - DEX 1200
Upon Entering Another Realm - Brendon Moeller
Missing the Subtext - Cobby Costa
Leave It to the Professionals - Arthur Benson
For Those Who Fight - Dream Cave
Aural Imprints - Frank Jonsson
Mortal Blow - Dream Cave
Linda Low - Lucention

Footage:
Select images/videos from Getty Images
Shutterstock
Disaster Breakdown
US Department of Defense

Note: "The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement."