SERE training
Capt. Timmy Gaumer, 349th Air Refueling Squadron KC-135 Stratotanker pilot, runs through a field during a Combat Survival Refresher Course July 13, 2017, in Derby, Kan. Gaumer participated in the training to practice survival and evasion skills while avoiding enemy detection. (U.S. Air Force photo/Airman 1st Class Erin McClellan)

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Photo by: Airman 1st Class Erin McClellan |  VIRIN: 170713-F-GG719-0114.JPG