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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不過，台灣社會的氛圍近期開始出現變化。以戒嚴時期政治懸案為題材的電影《世紀血案》引發爭議，加上台北101董事長賈永婕等名人高調倡議要認識歷史，帶動了一股「台灣史補課潮」，希望彌補「集體遺忘」。不僅二二八與白色恐怖相關書籍熱賣，國家人權博物館也在過年期間湧入比去年多五倍的人潮。
其中，2 月 23 日发送旅客 1873.3 万人次，创春运单日旅客发送量历史新高。