Senior Airman Joshua Sacerio, 5th Maintenance Squadron aircraft structural maintenance journeyman, uses a center punch at Minot Air Force Base, North Dakota, Dec. 11, 2018. A center punch is a tool used for making indentations in metal to guide the drill correctly. (U.S. Air Force photo by Senior Airman Dillon J. Audit)

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Photo by: Senior Airman Dillon J. Audit |  VIRIN: 170318-F-DJ826-0529.JPG