Testing a new defense
Airmen help guide a set of mechanical stairs towards a KC-135 Stratotanker at Eglin Air Force Base, Fla., Nov. 27. The KC-135 unit was at Eglin testing a Large Aircraft Infrared Countermeasures system module. The system is designed to autonomously detect, provide warning and employ countermeasures against shoulder fired Man-portable air defense system missiles. (U.S. Air Force photo/Tech. Sgt. Samantha Mathison)

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Photo by: Tech. Sgt. Samantha Mathison |  VIRIN: 171127-F-FS041-147.JPG