A New GPS System For The U.S. Military

GPS 2F-1 being completed at Boeing (Source: Boeing)

First Block 2F GPS Satellite Launched, Needed to Prevent System Failure -- Daily Tech

The Global Positioning System (GPS) has become an important part of global commerce, a far cry from its roots as a purely military system designed to aid in guiding Inter-Continental Ballistic Missiles. Everything from oil tankers to running shoes now incorporate GPS technology, thanks to shrinking designs and mass production.

Although the first Block I satellite was launched in 1978, the GPS network didn't achieve initial operational capability until December 1993. The GPS network requires a minimum of 21 satellites in medium Earth orbit to ensure global coverage, and a full network of 32 satellites is preferred for optimal performance and reliability.

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A Delta 4 rocket blasts off with the GPS 2F-1 navigation satellite aboard for the U.S. military and civilian services. United Launch Alliance

More News On A New GPS System Being Established

Glitch shows how much US military relies on GPS -- AP
GPS glitch hit some military systems in January -- AP
Air Force Launches First Next-Gen GPS Satellite -- FOX News
New GPS satellite successfully launched -- Tech Connect
First-of-its-kind satellite for GPS launched into space -- Space Flight Now
GPS is getting an $8 billion upgrade -- San Francisco Chronicle
GPS upgrade aims to see more, do more -- Seattle Times