Satellites orbiting Earth make life easier for people all over the world. These devices high above the planet make technology such as global television and modern banking possible. Satellites also play key roles in keeping the United States safe from its enemies. The Space Force is the newest branch of the U.S. military. Among its many responsibilities is protecting U.S. satellites from a variety of dangers, including possible attacks, damage from the sun, and even crashes with other satellites. Part of The U.S. Space Force series, Guardians of U.S. Satellites discusses the ways the Space Force tracks and protects these important devices that make modern life on the planet possible.