Airman 1st Class Mark Macias, 30th Civil Engineer Squadron heavy equipment operator or ‘Dirt Boy’, sits after working a full day Nov. 5, 2019, at March Air Reserve Base, Calif. ‘Dirt Boyz’ are known for their unrelenting focus to support the mission, regardless of the dirt, dust, grease, soot, concrete or asphalt they may add to their uniform. (U.S. Air Force photo by Senior Airman Clayton Wear)
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