can it be used by the common people?
Yes.
Global Positioning System
Many civilian applications use one or more of GPS's three basic components: absolute location, relative movement, and time transfer.
what is ara moreno? It was a dreadnought battleship. to which country did it belong? Argentina. does it have a naval force? Yes, the Argentine Navy ("Armada de la República Argentina"). could you mention a war that it participated in? It didn't participate in any war. does it have a submarines division? Yes, they do. could you please elaborate on the said division? Abbreviated as "COFS", it was created in 1927. how do these machines navigate under water? They use an inertial guidance system, Global Positioning System and a periscope. by whom was the second system developed? U.S. Department of Defense. did it win any awards? Yes, the Robert J. Collier Trophy.
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Global Positioning System [SEP] Civilian
Many civilian applications use one or more of GPS's three basic components: absolute location, relative movement, and time transfer.