Mud Like You Mean It
Col. William Barrington, 91st Maintenance Group commander, and Col. Catherine Barrington, 91st Operations Group commander, crawl through mud at Minot Air Force Base, N.D., July 7, 2017. The low-crawl was one of many obstacles that tested participants’ balance, endurance and strength. (U.S. Air Force photo by Senior Airman Sahara L. Fales)

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Photo by: Senior Airman Sahara L. Fales |  VIRIN: 170707-F-DN236-0802.JPG