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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16:10, 27 февраля 2026Мир
8月4日早上9点，骗子“陈科长 ”和我妈妈用华为手机进行视频通话，骗子一步一步指导我妈妈解开小米手机上的禁止安装第三方应用的设置，然后在小米手机上安装了一个名为 “银监局 9.06” 的木马软件（8月4日9时45分安装）。那一刻，骗子彻底接管了她的小米手机。