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548th Intelligence, Surveillance and Reconnaissance Group
Active 19??-Present
Country United States
Branch United States Air Force
Type Intelligence
Role Combat Support
Part of AF ISR Agency
Garrison/HQ Beale AFB, California
Decorations Outstanding Unit ribbon.svg AFOUA

The United States Air Force's 548th Intelligence, Surveillance and Reconnaissance Group (548th ISRG) is an intelligence unit located at Beale AFB, California.


The mission of the 548 ISRG is to operate and maintain a $1B AN/GSQ-272 "Sentinel" weapon system (also known as Distributed Ground Station or DGS), and provide combatant commanders with processing, exploitation, and dissemination (PED) of actionable intelligence data collected by U-2, MQ-1, MQ-9 and RQ-4 aircraft and other platforms as required.


Previous designations[1]

  • 548th Intelligence, Surveillance and Reconnaissance Group ()


Major Command/Field Operating Agency

Squadrons assigned

Bases stationed



  1. Rogers, B. (2006). United States Air Force Unit Designations Since 1978. ISBN 1-85780-197-0
  2. Air Force Historical Research Agency Fact Sheet: Air Force Intelligence, Surveillance and Reconnaissance Agency
  3. AF FOIA Request 2009-01965, 13 Jul 2009

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