P96.df.core

  Thousands of satellites surround the Earth in their own orbital slots and even their own constellations, at distinct altitudes. They help communicate with distant places, track weather, and, with the Global Positioning System (GPS), find distant places here on Earth. Closest to Earth,…

Drones or unmanned aerial vehicles (UAVs) are typically associated with military users, although a growing number of applications are being found for UAVs in commercial, industrial, and even medical markets. Commercial users await approval from key government agencies, such as the U. S. Federal Aviation…