Air Force Space Command

Silent Sentry: Protecting Space Communications

April 24, 2018
Master Sgt. Phil Speck

More than 20,000 above the Earth’s surface, communication satellites orbit the planet, listening for

U.S. Air Force Staff Sgt. Joshua Foster, a radio frequency transmissions technician with the 379th Operations Support Squadron, uses a spectrum analyzer to perform diagnostics on a satellite at Al Udeid Air Base, Qatar, Mar. 30, 2018. Silent Sentry protects critical satellite communication links by employing multiple weapons systems for electronic warfare. (U.S. Air National Guard photo by Master Sgt. Phil Speck)

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