U.S. Marines and Sailors with Headuarters and Headquarters Squadron, Marine Corps Air Staion (MCAS) Yuma, participate in a squadron-wide obstacle course exercise on Nov. 8, 2019. The Marine Corps obstacle course is composed of various obstacles such as high and low logs, high bars, incline bars and traverse logs, and a rope climb. (Marine Corps photo by Lance Cpl. John Hall)
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