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<p>that the ability to globally degrade the system was no longer necessary. As a result, United States President <a href="page.php?w=Bill_Clinton">Bill Clinton</a> signed a bill ordering that Selective Availability be disabled on May 1, 2000; and, in 2007, the US government announced that the next generation of GPS satellites would not include the feature.</p>

<p>Advances in technology and new demands on the existing system have led to efforts to modernize GPS and implement the next generation of <a href="page.php?w=GPS_Block_III">GPS Block III</a></p><p>
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