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One reason for routinely launching GPS satellites is simply "constellation replenishment," said Col. Andrew Menschner, deputy commander of the Space Force's Space Systems Command. Old satellites degrade and die, and new ones need to go up and replace them. At least 24 GPS satellites are needed for global coverage, and having additional satellites in the fleet can improve navigation precision. Today, there are 31 GPS satellites in operational service, flying more than 12,000 miles (20,000 kilometers) above the Earth.
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一份美国总务管理局（GSA）1月15日的报告摘要指出，Grok-4“不符合联邦政府通用及联邦实验性AI平台所要求的安全与对齐预期”。。爱思助手下载最新版本是该领域的重要参考
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