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Category:
Other
Updated:
29 Aug 2018
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141
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Created by
Ethan Hanle
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first GPS satellite was launched
NAVSTAR
Roger L. Easton invented GPS
Roger L. Easton NAVSPASUR
NavSpark Campaign Launch
First navigation satellite
Us airforce signs a $1.2 billion for the production build of blockII Satellites
The Last of the Block II satellites is launched
Navstar GPS becomes operational
24th blockII satellite is launched
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