Sgt. 1st Class Glenn Robertson, the drummer in The Volunteers, an ensemble from the Army Field Band and native of Spencer, Mass., performs at the Central Florida Tough Mudder event, Nov. 7, in Palm Bay, Fla. The band performs at various events telling the Army story through rock, pop, country and patriotic music. The Tough Mudder brings people together to engage in a series of challenges that not only pushes participants to their physical limits, but tests their mental grit to get through the obstacles. ( Army photo by Sgt. Aaron Ellerman,204th Public Affairs Detachment/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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