Then, in 1973, a group of Pentagon officials decided to create a "defense navigation satellite system," laying the groundwork for a system called Navstar-GPS — what we now know simply as GPS.

NTS-2 was the first demonstration satellite in the NAVSTAR GPS constellation managed by the NAVSTAR GPS Joint Program Office at the Space and Missile Systems Center, Los Angeles Air Force Base ...

A Navstar GPS satellite undergoing pre-launch testing. Courtesy United States Air Force. Satellite-based navigation proved its mettle in helping the U.S. Army’s VII Corps and XVIII Airborne ...

GPS is a decades-old technology by now, beginning with the first Navigation System with Timing and Ranging (NAVSTAR) satellite in orbit in 1978. By 1993, a net of 24 satellites blanketed the world ...

Navstar I was the first GPS satellite launched, placed in orbit in 1978 by research teams from the U.S. Air Force. Around this time, the project also began to take on the moniker of "GPS." ...

The satellite, and many to follow, are meant to test the NAVSTAR concept. 1978-1985 The military launches 11 more test satellites into space to test the NAVSTAR system, which by then was called ...

The 229-foot-tall rocket deployed the satellite into orbit 12,550 miles above Earth. ... "Space is a different place than it was when the first NavStar satellite was launched in 1978.

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The 229-foot-tall rocket deployed the satellite into orbit 12,550 miles above Earth. ... "Space is a different place than it was when the first NavStar satellite was launched in 1978.

LUGANSK, June 7. /TASS/. Military expert Andrey Marochko said he believes American specialists, not Ukrainians, were probably in charge of target aiming in a recent ATACMS strike on Lugansk.