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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Leon’s old scars will have to wait, anyway. Requiem’s new blood is FBI analyst Grace Ashcroft. Equal parts tenacious and nervous, she’s a fitting lens on the horror portion of Requiem’s split focus between disempowered terror and cathartic action. The story opens with Grace – more acquainted with desk work than field ops – tasked to go over a crime scene at a gutted hotel. She knows the place well, since it holds some horrific memories for her. Still, she heads off with little more than a flashlight and a pistol you’ll never find quite enough ammunition for to feel safe.
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