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.
Ранее юрист Дмитрий Макаров предупредил российских арендодателей о риске получить штраф за отказ ставить на учет мигранта-арендатора. Сумма штрафа может составить до пяти тысяч рублей.
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"change_plan": ["修改文件A做什么", "修改文件B做什么"],